java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label41_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:38:47,821 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:38:47,823 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:38:47,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:38:47,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:38:47,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:38:47,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:38:47,847 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:38:47,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:38:47,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:38:47,851 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:38:47,851 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:38:47,852 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:38:47,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:38:47,855 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:38:47,856 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:38:47,856 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:38:47,858 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:38:47,860 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:38:47,862 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:38:47,863 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:38:47,864 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:38:47,867 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 11:38:47,867 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 11:38:47,868 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 11:38:47,869 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 11:38:47,870 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 11:38:47,871 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 11:38:47,871 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 11:38:47,872 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 11:38:47,873 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 11:38:47,873 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 11:38:47,873 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:38:47,874 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:38:47,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:38:47,875 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:38:47,876 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 11:38:47,892 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:38:47,893 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:38:47,894 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:38:47,894 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:38:47,895 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:38:47,895 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:38:47,895 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:38:47,896 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:38:47,896 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:38:47,896 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:38:47,896 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:38:47,897 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:38:47,898 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:38:47,898 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:38:47,898 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:38:47,898 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:38:47,898 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:38:47,899 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:38:47,899 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:38:47,899 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:38:47,899 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:38:47,900 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:38:47,900 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:38:47,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:38:47,900 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:38:47,901 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:38:47,901 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:38:47,901 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:38:47,901 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:38:47,901 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:38:47,902 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:38:47,902 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:38:47,902 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:38:47,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:38:47,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:38:47,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:38:47,975 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:38:47,976 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:38:47,976 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label41_true-unreach-call.c [2018-09-15 11:38:48,368 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/774fd8534/36149536b5e444e1943b7446fd52d2e1/FLAG58bcfdbf1 [2018-09-15 11:38:48,747 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:38:48,749 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label41_true-unreach-call.c [2018-09-15 11:38:48,767 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/774fd8534/36149536b5e444e1943b7446fd52d2e1/FLAG58bcfdbf1 [2018-09-15 11:38:48,791 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/774fd8534/36149536b5e444e1943b7446fd52d2e1 [2018-09-15 11:38:48,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:38:48,811 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:38:48,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:38:48,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:38:48,824 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:38:48,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:38:48" (1/1) ... [2018-09-15 11:38:48,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56aae051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:48, skipping insertion in model container [2018-09-15 11:38:48,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:38:48" (1/1) ... [2018-09-15 11:38:48,842 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:38:49,640 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:38:49,663 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:38:49,841 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:38:49,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49 WrapperNode [2018-09-15 11:38:49,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:38:49,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:38:49,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:38:49,936 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:38:49,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (1/1) ... [2018-09-15 11:38:50,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (1/1) ... [2018-09-15 11:38:50,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:38:50,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:38:50,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:38:50,151 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:38:50,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (1/1) ... [2018-09-15 11:38:50,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (1/1) ... [2018-09-15 11:38:50,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (1/1) ... [2018-09-15 11:38:50,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (1/1) ... [2018-09-15 11:38:50,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (1/1) ... [2018-09-15 11:38:50,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (1/1) ... [2018-09-15 11:38:50,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (1/1) ... [2018-09-15 11:38:50,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:38:50,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:38:50,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:38:50,539 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:38:50,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (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 [2018-09-15 11:38:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:38:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:38:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:38:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:38:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:38:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:38:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:38:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 11:38:55,845 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 11:38:55,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:38:55 BoogieIcfgContainer [2018-09-15 11:38:55,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 11:38:55,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 11:38:55,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 11:38:55,851 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 11:38:55,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:38:48" (1/3) ... [2018-09-15 11:38:55,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75831028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:38:55, skipping insertion in model container [2018-09-15 11:38:55,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:49" (2/3) ... [2018-09-15 11:38:55,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75831028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:38:55, skipping insertion in model container [2018-09-15 11:38:55,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:38:55" (3/3) ... [2018-09-15 11:38:55,856 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label41_true-unreach-call.c [2018-09-15 11:38:55,866 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 11:38:55,876 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 11:38:55,954 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 11:38:55,955 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 11:38:55,955 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 11:38:55,955 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 11:38:55,956 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 11:38:55,956 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 11:38:55,956 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 11:38:55,956 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 11:38:55,956 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 11:38:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 11:38:56,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-15 11:38:56,008 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:38:56,010 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] [2018-09-15 11:38:56,013 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:38:56,019 INFO L82 PathProgramCache]: Analyzing trace with hash -146636772, now seen corresponding path program 1 times [2018-09-15 11:38:56,023 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:38:56,024 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 29 with the following transitions: [2018-09-15 11:38:56,027 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [125], [127], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 11:38:56,095 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:38:56,095 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:38:57,800 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:38:57,802 INFO L272 AbstractInterpreter]: Visited 27 different actions 27 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 11:38:57,817 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:38:58,337 INFO L232 lantSequenceWeakener]: Weakened 26 states. On average, predicates are now at 74.07% of their original sizes. [2018-09-15 11:38:58,337 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:38:58,701 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:38:58,703 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:38:58,703 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 11:38:58,704 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:38:58,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 11:38:58,720 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 11:38:58,720 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:38:58,724 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 11:39:04,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:39:04,622 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 11:39:04,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 11:39:04,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-09-15 11:39:04,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:39:04,648 INFO L225 Difference]: With dead ends: 776 [2018-09-15 11:39:04,648 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 11:39:04,657 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:39:04,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 11:39:04,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 11:39:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 11:39:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 11:39:04,745 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 28 [2018-09-15 11:39:04,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:39:04,745 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 11:39:04,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 11:39:04,746 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 11:39:04,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-15 11:39:04,753 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:39:04,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:39:04,754 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:39:04,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1820332731, now seen corresponding path program 1 times [2018-09-15 11:39:04,755 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:39:04,755 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-09-15 11:39:04,756 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [125], [127], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:39:04,769 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:39:04,770 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:39:12,388 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:40:19,929 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:40:19,930 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. [2018-09-15 11:40:19,969 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:40:37,842 INFO L232 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 73.34% of their original sizes. [2018-09-15 11:40:37,842 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:40:39,652 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:40:39,653 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:40:39,653 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:40:39,653 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:40:39,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:40:39,656 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:40:39,656 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:40:39,657 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. [2018-09-15 11:40:51,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:40:51,742 INFO L93 Difference]: Finished difference Result 957 states and 1541 transitions. [2018-09-15 11:40:51,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:40:51,744 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 145 [2018-09-15 11:40:51,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:40:51,750 INFO L225 Difference]: With dead ends: 957 [2018-09-15 11:40:51,750 INFO L226 Difference]: Without dead ends: 674 [2018-09-15 11:40:51,753 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 119 SyntacticMatches, 16 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 11:40:51,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-09-15 11:40:51,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 670. [2018-09-15 11:40:51,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-09-15 11:40:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 887 transitions. [2018-09-15 11:40:51,806 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 887 transitions. Word has length 145 [2018-09-15 11:40:51,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:40:51,807 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 887 transitions. [2018-09-15 11:40:51,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:40:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 887 transitions. [2018-09-15 11:40:51,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-09-15 11:40:51,811 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:40:51,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:40:51,812 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:40:51,813 INFO L82 PathProgramCache]: Analyzing trace with hash -420437807, now seen corresponding path program 1 times [2018-09-15 11:40:51,813 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:40:51,813 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-09-15 11:40:51,814 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [125], [127], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:40:51,824 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:40:51,825 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:41:30,446 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:41:30,447 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:41:30,452 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:41:47,509 INFO L232 lantSequenceWeakener]: Weakened 153 states. On average, predicates are now at 73.32% of their original sizes. [2018-09-15 11:41:47,510 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:41:48,849 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:41:48,850 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:41:48,850 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:41:48,850 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:41:48,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:41:48,851 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:41:48,852 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:41:48,852 INFO L87 Difference]: Start difference. First operand 670 states and 887 transitions. Second operand 11 states. [2018-09-15 11:42:09,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:42:09,273 INFO L93 Difference]: Finished difference Result 1149 states and 1747 transitions. [2018-09-15 11:42:09,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:42:09,278 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2018-09-15 11:42:09,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:42:09,284 INFO L225 Difference]: With dead ends: 1149 [2018-09-15 11:42:09,284 INFO L226 Difference]: Without dead ends: 866 [2018-09-15 11:42:09,286 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 129 SyntacticMatches, 16 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 11:42:09,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2018-09-15 11:42:09,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 861. [2018-09-15 11:42:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 11:42:09,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1092 transitions. [2018-09-15 11:42:09,336 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1092 transitions. Word has length 155 [2018-09-15 11:42:09,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:42:09,337 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1092 transitions. [2018-09-15 11:42:09,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:42:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1092 transitions. [2018-09-15 11:42:09,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-15 11:42:09,342 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:42:09,342 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:42:09,342 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:42:09,343 INFO L82 PathProgramCache]: Analyzing trace with hash -956296649, now seen corresponding path program 1 times [2018-09-15 11:42:09,343 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:42:09,343 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-09-15 11:42:09,345 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [125], [127], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:42:09,355 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:42:09,355 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:42:46,176 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:42:46,176 INFO L272 AbstractInterpreter]: Visited 139 different actions 272 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:42:46,182 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:43:00,880 INFO L232 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 73.39% of their original sizes. [2018-09-15 11:43:00,881 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:43:02,500 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:43:02,501 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:43:02,501 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 11:43:02,502 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:43:02,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 11:43:02,503 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 11:43:02,503 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-15 11:43:02,504 INFO L87 Difference]: Start difference. First operand 861 states and 1092 transitions. Second operand 13 states. Received shutdown request... [2018-09-15 11:43:02,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-15 11:43:02,590 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 11:43:02,596 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 11:43:02,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 11:43:02 BoogieIcfgContainer [2018-09-15 11:43:02,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 11:43:02,597 INFO L168 Benchmark]: Toolchain (without parser) took 253791.52 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 793.7 MB. Max. memory is 7.1 GB. [2018-09-15 11:43:02,599 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 11:43:02,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1122.60 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-09-15 11:43:02,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.31 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. [2018-09-15 11:43:02,601 INFO L168 Benchmark]: Boogie Preprocessor took 388.09 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 787.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -903.4 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-15 11:43:02,602 INFO L168 Benchmark]: RCFGBuilder took 5307.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 184.6 MB). Peak memory consumption was 184.6 MB. Max. memory is 7.1 GB. [2018-09-15 11:43:02,603 INFO L168 Benchmark]: TraceAbstraction took 246749.41 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 640.5 MB. Max. memory is 7.1 GB. [2018-09-15 11:43:02,608 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1122.60 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 214.31 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 388.09 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 787.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -903.4 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5307.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 184.6 MB). Peak memory consumption was 184.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246749.41 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 640.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 69). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 3 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (5 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 246.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 38.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 899 SDtfs, 2237 SDslu, 1050 SDs, 0 SdLazy, 6380 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 500 GetRequests, 403 SyntacticMatches, 48 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 5.8s 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, 152.4s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9932357205084483 AbsIntWeakeningRatio, 0.17148760330578514 AbsIntAvgWeakeningVarsNumRemoved, 80.42561983471074 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 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_label41_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_11-43-02-624.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label41_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_11-43-02-624.csv Completed graceful shutdown