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_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 23:22:14,967 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 23:22:14,970 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 23:22:14,983 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 23:22:14,983 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 23:22:14,984 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 23:22:14,985 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 23:22:14,987 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 23:22:14,989 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 23:22:14,990 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 23:22:14,991 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 23:22:14,991 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 23:22:14,992 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 23:22:14,993 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 23:22:14,994 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 23:22:14,995 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 23:22:14,996 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 23:22:14,998 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 23:22:15,000 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 23:22:15,001 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 23:22:15,003 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 23:22:15,004 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 23:22:15,007 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 23:22:15,007 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 23:22:15,007 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 23:22:15,009 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 23:22:15,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 23:22:15,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 23:22:15,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 23:22:15,013 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 23:22:15,013 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 23:22:15,014 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-15 23:22:15,017 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-15 23:22:15,033 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 23:22:15,034 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 23:22:15,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 23:22:15,035 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 23:22:15,035 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 23:22:15,035 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 23:22:15,036 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 23:22:15,036 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 23:22:15,036 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 23:22:15,036 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 23:22:15,037 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 23:22:15,037 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 23:22:15,038 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 23:22:15,038 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 23:22:15,038 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 23:22:15,038 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 23:22:15,038 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 23:22:15,039 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 23:22:15,039 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 23:22:15,039 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 23:22:15,039 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 23:22:15,040 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 23:22:15,040 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 23:22:15,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 23:22:15,040 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 23:22:15,040 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 23:22:15,041 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 23:22:15,041 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 23:22:15,041 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 23:22:15,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 23:22:15,041 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 23:22:15,042 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 23:22:15,042 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 23:22:15,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 23:22:15,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 23:22:15,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 23:22:15,112 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 23:22:15,113 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 23:22:15,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label22_true-unreach-call.c [2018-09-15 23:22:15,456 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78005f65/4d6afdbacc804a6c84e9d1b5452c3bc5/FLAG28bff70aa [2018-09-15 23:22:15,859 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 23:22:15,860 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label22_true-unreach-call.c [2018-09-15 23:22:15,891 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78005f65/4d6afdbacc804a6c84e9d1b5452c3bc5/FLAG28bff70aa [2018-09-15 23:22:15,908 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78005f65/4d6afdbacc804a6c84e9d1b5452c3bc5 [2018-09-15 23:22:15,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 23:22:15,925 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 23:22:15,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 23:22:15,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 23:22:15,935 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 23:22:15,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:22:15" (1/1) ... [2018-09-15 23:22:15,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c166ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:15, skipping insertion in model container [2018-09-15 23:22:15,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:22:15" (1/1) ... [2018-09-15 23:22:15,953 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 23:22:17,070 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 23:22:17,090 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 23:22:17,533 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 23:22:17,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17 WrapperNode [2018-09-15 23:22:17,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 23:22:17,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 23:22:17,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 23:22:17,743 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 23:22:17,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (1/1) ... [2018-09-15 23:22:17,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (1/1) ... [2018-09-15 23:22:18,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 23:22:18,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 23:22:18,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 23:22:18,150 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 23:22:18,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (1/1) ... [2018-09-15 23:22:18,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (1/1) ... [2018-09-15 23:22:18,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (1/1) ... [2018-09-15 23:22:18,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (1/1) ... [2018-09-15 23:22:18,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (1/1) ... [2018-09-15 23:22:19,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (1/1) ... [2018-09-15 23:22:19,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (1/1) ... [2018-09-15 23:22:19,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 23:22:19,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 23:22:19,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 23:22:19,118 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 23:22:19,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (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 23:22:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 23:22:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 23:22:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 23:22:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 23:22:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 23:22:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 23:22:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 23:22:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 23:22:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 23:22:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 23:22:34,776 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 23:22:34,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:22:34 BoogieIcfgContainer [2018-09-15 23:22:34,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 23:22:34,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 23:22:34,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 23:22:34,783 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 23:22:34,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:22:15" (1/3) ... [2018-09-15 23:22:34,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c61ad7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:22:34, skipping insertion in model container [2018-09-15 23:22:34,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:17" (2/3) ... [2018-09-15 23:22:34,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c61ad7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:22:34, skipping insertion in model container [2018-09-15 23:22:34,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:22:34" (3/3) ... [2018-09-15 23:22:34,790 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label22_true-unreach-call.c [2018-09-15 23:22:34,800 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 23:22:34,811 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 23:22:34,883 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 23:22:34,884 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 23:22:34,884 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 23:22:34,884 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 23:22:34,884 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 23:22:34,884 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 23:22:34,884 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 23:22:34,885 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 23:22:34,885 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 23:22:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-09-15 23:22:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-15 23:22:34,957 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:22:34,958 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 23:22:34,960 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:22:34,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1623542220, now seen corresponding path program 1 times [2018-09-15 23:22:34,969 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:22:34,970 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 59 with the following transitions: [2018-09-15 23:22:34,974 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1074], [1076], [2283], [2287], [2293], [2297], [2306], [2307], [2308], [2310] [2018-09-15 23:22:35,032 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:22:35,032 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:22:36,842 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:22:36,844 INFO L272 AbstractInterpreter]: Visited 57 different actions 57 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 23:22:36,889 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:22:38,002 INFO L232 lantSequenceWeakener]: Weakened 55 states. On average, predicates are now at 77.51% of their original sizes. [2018-09-15 23:22:38,002 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:22:38,233 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:22:38,235 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:22:38,235 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 23:22:38,235 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:22:38,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 23:22:38,253 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 23:22:38,253 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 23:22:38,256 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2018-09-15 23:22:46,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:22:46,895 INFO L93 Difference]: Finished difference Result 1642 states and 3016 transitions. [2018-09-15 23:22:46,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 23:22:46,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-09-15 23:22:46,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:22:46,921 INFO L225 Difference]: With dead ends: 1642 [2018-09-15 23:22:46,922 INFO L226 Difference]: Without dead ends: 1036 [2018-09-15 23:22:46,932 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 23:22:46,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-09-15 23:22:47,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1034. [2018-09-15 23:22:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-09-15 23:22:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1511 transitions. [2018-09-15 23:22:47,043 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1511 transitions. Word has length 58 [2018-09-15 23:22:47,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:22:47,044 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1511 transitions. [2018-09-15 23:22:47,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 23:22:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1511 transitions. [2018-09-15 23:22:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-09-15 23:22:47,051 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:22:47,052 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:22:47,052 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:22:47,052 INFO L82 PathProgramCache]: Analyzing trace with hash 429401034, now seen corresponding path program 1 times [2018-09-15 23:22:47,053 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:22:47,053 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-09-15 23:22:47,054 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1074], [1076], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-09-15 23:22:47,061 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:22:47,061 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:22:55,246 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 23:23:02,683 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:23:02,683 INFO L272 AbstractInterpreter]: Visited 82 different actions 157 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 23:23:02,724 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:23:09,733 INFO L232 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 76.15% of their original sizes. [2018-09-15 23:23:09,734 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:23:10,011 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:23:10,012 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:23:10,012 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 23:23:10,012 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:23:10,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 23:23:10,014 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 23:23:10,014 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 23:23:10,014 INFO L87 Difference]: Start difference. First operand 1034 states and 1511 transitions. Second operand 11 states. [2018-09-15 23:23:24,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:23:24,547 INFO L93 Difference]: Finished difference Result 2502 states and 4301 transitions. [2018-09-15 23:23:24,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 23:23:24,551 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2018-09-15 23:23:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:23:24,562 INFO L225 Difference]: With dead ends: 2502 [2018-09-15 23:23:24,563 INFO L226 Difference]: Without dead ends: 1908 [2018-09-15 23:23:24,567 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 23:23:24,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2018-09-15 23:23:24,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1905. [2018-09-15 23:23:24,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1905 states. [2018-09-15 23:23:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1905 states and 2402 transitions. [2018-09-15 23:23:24,631 INFO L78 Accepts]: Start accepts. Automaton has 1905 states and 2402 transitions. Word has length 133 [2018-09-15 23:23:24,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:23:24,632 INFO L480 AbstractCegarLoop]: Abstraction has 1905 states and 2402 transitions. [2018-09-15 23:23:24,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 23:23:24,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2402 transitions. [2018-09-15 23:23:24,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-15 23:23:24,638 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:23:24,638 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:23:24,638 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:23:24,639 INFO L82 PathProgramCache]: Analyzing trace with hash -499815646, now seen corresponding path program 1 times [2018-09-15 23:23:24,639 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:23:24,639 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-09-15 23:23:24,640 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1074], [1076], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-09-15 23:23:24,644 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:23:24,644 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:23:28,590 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 23:23:37,866 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:23:37,867 INFO L272 AbstractInterpreter]: Visited 95 different actions 184 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 23:23:37,876 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:23:48,190 INFO L232 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 76.05% of their original sizes. [2018-09-15 23:23:48,190 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:23:48,311 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:23:48,311 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:23:48,312 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 23:23:48,312 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:23:48,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 23:23:48,313 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 23:23:48,313 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 23:23:48,313 INFO L87 Difference]: Start difference. First operand 1905 states and 2402 transitions. Second operand 11 states. [2018-09-15 23:23:57,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:23:57,953 INFO L93 Difference]: Finished difference Result 2938 states and 4330 transitions. [2018-09-15 23:23:57,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 23:23:57,956 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2018-09-15 23:23:57,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:23:57,968 INFO L225 Difference]: With dead ends: 2938 [2018-09-15 23:23:57,968 INFO L226 Difference]: Without dead ends: 2344 [2018-09-15 23:23:57,971 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2018-09-15 23:23:57,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2018-09-15 23:23:58,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2341. [2018-09-15 23:23:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2341 states. [2018-09-15 23:23:58,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 2341 states and 2853 transitions. [2018-09-15 23:23:58,028 INFO L78 Accepts]: Start accepts. Automaton has 2341 states and 2853 transitions. Word has length 146 [2018-09-15 23:23:58,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:23:58,029 INFO L480 AbstractCegarLoop]: Abstraction has 2341 states and 2853 transitions. [2018-09-15 23:23:58,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 23:23:58,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 2853 transitions. [2018-09-15 23:23:58,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-09-15 23:23:58,036 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:23:58,037 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-15 23:23:58,037 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:23:58,037 INFO L82 PathProgramCache]: Analyzing trace with hash -956217672, now seen corresponding path program 1 times [2018-09-15 23:23:58,038 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:23:58,038 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-09-15 23:23:58,038 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1074], [1076], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-09-15 23:23:58,047 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:23:58,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:24:03,501 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 23:24:37,604 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:24:37,604 INFO L272 AbstractInterpreter]: Visited 96 different actions 465 times. Merged at 7 different actions 29 times. Never widened. Found 6 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 23:24:37,611 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:24:47,742 INFO L232 lantSequenceWeakener]: Weakened 218 states. On average, predicates are now at 75.74% of their original sizes. [2018-09-15 23:24:47,743 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:24:47,965 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:24:47,966 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:24:47,966 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 23:24:47,966 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:24:47,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 23:24:47,967 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 23:24:47,967 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-09-15 23:24:47,967 INFO L87 Difference]: Start difference. First operand 2341 states and 2853 transitions. Second operand 13 states. [2018-09-15 23:24:58,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:24:58,331 INFO L93 Difference]: Finished difference Result 3487 states and 4982 transitions. [2018-09-15 23:24:58,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-15 23:24:58,337 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 221 [2018-09-15 23:24:58,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:24:58,352 INFO L225 Difference]: With dead ends: 3487 [2018-09-15 23:24:58,353 INFO L226 Difference]: Without dead ends: 2893 [2018-09-15 23:24:58,356 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 232 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2018-09-15 23:24:58,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2893 states. [2018-09-15 23:24:58,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2893 to 2888. [2018-09-15 23:24:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2888 states. [2018-09-15 23:24:58,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2888 states and 3487 transitions. [2018-09-15 23:24:58,432 INFO L78 Accepts]: Start accepts. Automaton has 2888 states and 3487 transitions. Word has length 221 [2018-09-15 23:24:58,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:24:58,433 INFO L480 AbstractCegarLoop]: Abstraction has 2888 states and 3487 transitions. [2018-09-15 23:24:58,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 23:24:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3487 transitions. [2018-09-15 23:24:58,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-09-15 23:24:58,439 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:24:58,439 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-15 23:24:58,439 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:24:58,440 INFO L82 PathProgramCache]: Analyzing trace with hash 175110845, now seen corresponding path program 1 times [2018-09-15 23:24:58,440 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:24:58,440 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-09-15 23:24:58,440 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1074], [1076], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1278], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-09-15 23:24:58,446 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:24:58,446 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:25:02,147 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 23:26:06,984 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:26:06,985 INFO L272 AbstractInterpreter]: Visited 96 different actions 280 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-15 23:26:07,024 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-15 23:26:31,631 INFO L232 lantSequenceWeakener]: Weakened 230 states. On average, predicates are now at 75.7% of their original sizes. [2018-09-15 23:26:31,632 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:26:31,642 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 23:26:31,647 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 23:26:31,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 11:26:31 BoogieIcfgContainer [2018-09-15 23:26:31,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 23:26:31,649 INFO L168 Benchmark]: Toolchain (without parser) took 255726.23 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-15 23:26:31,651 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 23:26:31,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1814.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-09-15 23:26:31,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 406.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-15 23:26:31,653 INFO L168 Benchmark]: Boogie Preprocessor took 967.72 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 917.5 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-09-15 23:26:31,654 INFO L168 Benchmark]: RCFGBuilder took 15660.09 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 458.4 MB). Peak memory consumption was 458.4 MB. Max. memory is 7.1 GB. [2018-09-15 23:26:31,655 INFO L168 Benchmark]: TraceAbstraction took 236869.31 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -704.8 MB). Peak memory consumption was 913.7 MB. Max. memory is 7.1 GB. [2018-09-15 23:26:31,660 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1814.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 406.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 967.72 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 917.5 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15660.09 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 458.4 MB). Peak memory consumption was 458.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 236869.31 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -704.8 MB). Peak memory consumption was 913.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 161]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 161). Cancelled while BasicCegarLoop was analyzing trace of length 234 with TraceHistMax 3, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 236.7s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 43.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2554 SDtfs, 8748 SDslu, 1118 SDs, 0 SdLazy, 14662 SolverSat, 2177 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 38.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 581 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2888occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 138.9s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9970050739723826 AbsIntWeakeningRatio, 0.14122137404580154 AbsIntAvgWeakeningVarsNumRemoved, 3.6603053435114505 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 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/Problem17_label22_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_23-26-31-676.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label22_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_23-26-31-676.csv Completed graceful shutdown