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_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 16:56:36,764 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 16:56:36,767 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 16:56:36,785 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 16:56:36,786 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 16:56:36,788 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 16:56:36,790 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 16:56:36,792 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 16:56:36,794 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 16:56:36,796 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 16:56:36,799 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 16:56:36,799 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 16:56:36,800 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 16:56:36,801 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 16:56:36,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 16:56:36,806 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 16:56:36,806 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 16:56:36,809 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 16:56:36,818 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 16:56:36,821 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 16:56:36,822 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 16:56:36,825 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 16:56:36,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 16:56:36,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 16:56:36,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 16:56:36,832 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 16:56:36,833 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 16:56:36,834 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 16:56:36,835 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 16:56:36,839 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 16:56:36,840 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 16:56:36,840 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 16:56:36,841 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 16:56:36,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 16:56:36,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 16:56:36,844 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 16:56:36,845 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-09-15 16:56:36,875 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 16:56:36,875 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 16:56:36,876 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 16:56:36,876 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 16:56:36,876 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 16:56:36,876 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 16:56:36,877 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 16:56:36,877 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 16:56:36,877 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-15 16:56:36,877 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 16:56:36,878 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 16:56:36,878 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 16:56:36,879 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 16:56:36,879 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 16:56:36,879 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 16:56:36,879 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 16:56:36,880 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 16:56:36,880 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 16:56:36,880 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 16:56:36,880 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 16:56:36,882 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 16:56:36,882 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 16:56:36,882 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 16:56:36,883 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 16:56:36,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 16:56:36,883 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 16:56:36,883 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 16:56:36,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 16:56:36,884 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 16:56:36,884 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 16:56:36,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 16:56:36,884 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 16:56:36,885 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 16:56:36,885 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 16:56:36,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 16:56:36,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 16:56:36,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 16:56:36,953 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 16:56:36,953 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 16:56:36,954 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label22_true-unreach-call.c [2018-09-15 16:56:37,293 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f85c7421/4111eca248f3483ca959e60e95ad86a5/FLAG5fe125239 [2018-09-15 16:56:37,827 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 16:56:37,828 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label22_true-unreach-call.c [2018-09-15 16:56:37,865 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f85c7421/4111eca248f3483ca959e60e95ad86a5/FLAG5fe125239 [2018-09-15 16:56:37,881 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f85c7421/4111eca248f3483ca959e60e95ad86a5 [2018-09-15 16:56:37,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 16:56:37,897 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 16:56:37,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 16:56:37,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 16:56:37,907 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 16:56:37,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 04:56:37" (1/1) ... [2018-09-15 16:56:37,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a2763a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:37, skipping insertion in model container [2018-09-15 16:56:37,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 04:56:37" (1/1) ... [2018-09-15 16:56:37,925 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 16:56:39,583 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 16:56:39,602 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 16:56:40,273 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 16:56:40,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40 WrapperNode [2018-09-15 16:56:40,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 16:56:40,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 16:56:40,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 16:56:40,585 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 16:56:40,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (1/1) ... [2018-09-15 16:56:40,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (1/1) ... [2018-09-15 16:56:41,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 16:56:41,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 16:56:41,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 16:56:41,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 16:56:41,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (1/1) ... [2018-09-15 16:56:41,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (1/1) ... [2018-09-15 16:56:41,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (1/1) ... [2018-09-15 16:56:41,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (1/1) ... [2018-09-15 16:56:41,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (1/1) ... [2018-09-15 16:56:41,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (1/1) ... [2018-09-15 16:56:42,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (1/1) ... [2018-09-15 16:56:42,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 16:56:42,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 16:56:42,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 16:56:42,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 16:56:42,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (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 16:56:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 16:56:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 16:56:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 16:56:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 16:56:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 16:56:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 16:56:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 16:56:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 16:56:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 16:56:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 16:56:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 16:56:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 16:56:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 16:56:42,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 16:56:53,732 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 16:56:53,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 04:56:53 BoogieIcfgContainer [2018-09-15 16:56:53,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 16:56:53,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 16:56:53,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 16:56:53,739 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 16:56:53,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 04:56:37" (1/3) ... [2018-09-15 16:56:53,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ecf10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 04:56:53, skipping insertion in model container [2018-09-15 16:56:53,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 04:56:40" (2/3) ... [2018-09-15 16:56:53,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ecf10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 04:56:53, skipping insertion in model container [2018-09-15 16:56:53,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 04:56:53" (3/3) ... [2018-09-15 16:56:53,744 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label22_true-unreach-call.c [2018-09-15 16:56:53,755 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 16:56:53,771 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 16:56:53,850 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 16:56:53,851 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 16:56:53,851 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 16:56:53,851 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 16:56:53,851 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 16:56:53,851 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 16:56:53,851 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 16:56:53,852 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 16:56:53,852 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 16:56:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-15 16:56:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-15 16:56:53,917 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 16:56:53,918 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] [2018-09-15 16:56:53,919 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 16:56:53,924 INFO L82 PathProgramCache]: Analyzing trace with hash -380938253, now seen corresponding path program 1 times [2018-09-15 16:56:53,926 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 16:56:53,927 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-09-15 16:56:53,929 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2839], [2841], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-15 16:56:53,960 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 16:56:53,961 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 16:56:54,194 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-15 16:56:54,196 INFO L272 AbstractInterpreter]: Visited 39 different actions 39 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 16:56:54,251 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-15 16:56:54,277 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-15 16:56:54,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 04:56:54 BoogieIcfgContainer [2018-09-15 16:56:54,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 16:56:54,279 INFO L168 Benchmark]: Toolchain (without parser) took 16384.68 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -835.0 MB). Peak memory consumption was 296.4 MB. Max. memory is 7.1 GB. [2018-09-15 16:56:54,282 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-15 16:56:54,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2686.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. [2018-09-15 16:56:54,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 1076.17 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 990.9 MB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 189.9 MB. Max. memory is 7.1 GB. [2018-09-15 16:56:54,285 INFO L168 Benchmark]: Boogie Preprocessor took 409.34 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 7.1 GB. [2018-09-15 16:56:54,287 INFO L168 Benchmark]: RCFGBuilder took 11664.22 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 140.5 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 2.2 MB). Peak memory consumption was 694.1 MB. Max. memory is 7.1 GB. [2018-09-15 16:56:54,288 INFO L168 Benchmark]: TraceAbstraction took 542.14 ms. Allocated memory is still 2.7 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2018-09-15 16:56:54,296 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 2686.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1076.17 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 990.9 MB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 189.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 409.34 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11664.22 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 140.5 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 2.2 MB). Peak memory consumption was 694.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 542.14 ms. Allocated memory is still 2.7 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 108]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L10] int inputB = 2; [L11] int inputE = 5; [L12] int inputC = 3; [L13] int inputD = 4; [L14] int inputF = 6; [L17] int a26 = 1; [L18] int a13 = 0; [L19] int a19 = 9; [L20] int a23 = 158; [L21] int a12 = 286; [L22] int a1 = 2; [L5803] int output = -1; [L5806] COND TRUE 1 [L5809] int input; [L5810] input = __VERIFIER_nondet_int() [L5811] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L5814] CALL calculate_output(input) [L29] COND FALSE !(((((( ((178 < a12) && (395 >= a12)) && ((95 < a23) && (264 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==11)) && (a13==1))) [L32] COND FALSE !(((((( ((178 < a12) && (395 >= a12)) && ((264 < a23) && (476 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==10)) && (a13==1))) [L35] COND FALSE !(((((( a12 <= 178 && ((95 < a23) && (264 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==12)) && !(a13==1))) [L38] COND FALSE !(((((( a12 <= 178 && ((95 < a23) && (264 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==12)) && (a13==1))) [L41] COND FALSE !(((((( a12 <= 178 && a23 <= 95 ) && (a26==1)) && (a1==2)) && (a19==13)) && !(a13==1))) [L44] COND FALSE !(((((( a12 <= 178 && ((95 < a23) && (264 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==13)) && !(a13==1))) [L47] COND FALSE !(((((( ((178 < a12) && (395 >= a12)) && 476 < a23 ) && (a26==1)) && (a1==2)) && (a19==13)) && (a13==1))) [L50] COND FALSE !(((((( a12 <= 178 && a23 <= 95 ) && (a26==1)) && (a1==2)) && (a19==10)) && !(a13==1))) [L53] COND FALSE !(((((( a12 <= 178 && ((264 < a23) && (476 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==11)) && !(a13==1))) [L56] COND FALSE !(((((( a12 <= 178 && ((95 < a23) && (264 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==11)) && !(a13==1))) [L59] COND FALSE !(((((( a12 <= 178 && ((95 < a23) && (264 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==10)) && (a13==1))) [L62] COND FALSE !(((((( a12 <= 178 && a23 <= 95 ) && (a26==1)) && (a1==2)) && (a19==9)) && !(a13==1))) [L65] COND FALSE !(((((( ((178 < a12) && (395 >= a12)) && a23 <= 95 ) && (a26==1)) && (a1==2)) && (a19==10)) && (a13==1))) [L68] COND FALSE !(((((( a12 <= 178 && 476 < a23 ) && (a26==1)) && (a1==2)) && (a19==11)) && !(a13==1))) [L71] COND FALSE !(((((( a12 <= 178 && ((264 < a23) && (476 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==9)) && !(a13==1))) [L74] COND FALSE !(((((( a12 <= 178 && a23 <= 95 ) && (a26==1)) && (a1==2)) && (a19==11)) && (a13==1))) [L77] COND FALSE !(((((( a12 <= 178 && ((95 < a23) && (264 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==13)) && (a13==1))) [L80] COND FALSE !(((((( a12 <= 178 && ((264 < a23) && (476 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==10)) && !(a13==1))) [L83] COND FALSE !(((((( ((178 < a12) && (395 >= a12)) && a23 <= 95 ) && (a26==1)) && (a1==2)) && (a19==12)) && (a13==1))) [L86] COND FALSE !(((((( a12 <= 178 && 476 < a23 ) && (a26==1)) && (a1==2)) && (a19==10)) && (a13==1))) [L89] COND FALSE !(((((( a12 <= 178 && a23 <= 95 ) && (a26==1)) && (a1==2)) && (a19==12)) && (a13==1))) [L92] COND FALSE !(((((( ((178 < a12) && (395 >= a12)) && 476 < a23 ) && (a26==1)) && (a1==2)) && (a19==12)) && (a13==1))) [L95] COND FALSE !(((((( ((178 < a12) && (395 >= a12)) && ((95 < a23) && (264 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==9)) && (a13==1))) [L98] COND FALSE !(((((( a12 <= 178 && ((95 < a23) && (264 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==10)) && !(a13==1))) [L101] COND FALSE !(((((( ((178 < a12) && (395 >= a12)) && ((95 < a23) && (264 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==10)) && (a13==1))) [L104] COND FALSE !(((((( ((178 < a12) && (395 >= a12)) && ((264 < a23) && (476 >= a23)) ) && (a26==1)) && (a1==2)) && (a19==12)) && (a13==1))) [L107] COND TRUE ((((( a12 <= 178 && 476 < a23 ) && (a26==1)) && (a1==2)) && (a19==9)) && !(a13==1)) [L108] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. UNKNOWN Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1120occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, 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: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label22_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_16-56-54-320.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label22_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_16-56-54-320.csv Received shutdown request...