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/Problem02_label32_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 09:46:23,046 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 09:46:23,048 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 09:46:23,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 09:46:23,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 09:46:23,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 09:46:23,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 09:46:23,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 09:46:23,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 09:46:23,073 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 09:46:23,074 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 09:46:23,074 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 09:46:23,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 09:46:23,078 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 09:46:23,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 09:46:23,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 09:46:23,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 09:46:23,091 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 09:46:23,093 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 09:46:23,097 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 09:46:23,098 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 09:46:23,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 09:46:23,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-15 09:46:23,112 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 09:46:23,112 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 09:46:23,113 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 09:46:23,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 09:46:23,114 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 09:46:23,134 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 09:46:23,134 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 09:46:23,135 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 09:46:23,136 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 09:46:23,136 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 09:46:23,136 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 09:46:23,136 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 09:46:23,138 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 09:46:23,139 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 09:46:23,139 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 09:46:23,139 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 09:46:23,140 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 09:46:23,140 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 09:46:23,143 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 09:46:23,143 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 09:46:23,144 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 09:46:23,145 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 09:46:23,145 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 09:46:23,145 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 09:46:23,145 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 09:46:23,146 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 09:46:23,146 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 09:46:23,146 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 09:46:23,146 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 09:46:23,147 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 09:46:23,147 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 09:46:23,147 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 09:46:23,147 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 09:46:23,148 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 09:46:23,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 09:46:23,149 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 09:46:23,149 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 09:46:23,149 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 09:46:23,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 09:46:23,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 09:46:23,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 09:46:23,250 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 09:46:23,250 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 09:46:23,251 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-09-15 09:46:23,619 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6deec66/acc5aae08eda4903bc5b339a1e385a96/FLAGa86531781 [2018-09-15 09:46:23,949 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 09:46:23,950 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-09-15 09:46:23,963 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6deec66/acc5aae08eda4903bc5b339a1e385a96/FLAGa86531781 [2018-09-15 09:46:23,982 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6deec66/acc5aae08eda4903bc5b339a1e385a96 [2018-09-15 09:46:23,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 09:46:23,999 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 09:46:24,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 09:46:24,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 09:46:24,013 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 09:46:24,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:46:23" (1/1) ... [2018-09-15 09:46:24,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b469391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24, skipping insertion in model container [2018-09-15 09:46:24,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:46:23" (1/1) ... [2018-09-15 09:46:24,033 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 09:46:24,633 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 09:46:24,654 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 09:46:24,748 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 09:46:24,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24 WrapperNode [2018-09-15 09:46:24,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 09:46:24,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 09:46:24,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 09:46:24,801 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 09:46:24,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (1/1) ... [2018-09-15 09:46:24,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (1/1) ... [2018-09-15 09:46:24,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 09:46:24,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 09:46:24,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 09:46:24,885 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 09:46:24,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (1/1) ... [2018-09-15 09:46:24,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (1/1) ... [2018-09-15 09:46:24,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (1/1) ... [2018-09-15 09:46:24,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (1/1) ... [2018-09-15 09:46:24,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (1/1) ... [2018-09-15 09:46:25,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (1/1) ... [2018-09-15 09:46:25,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (1/1) ... [2018-09-15 09:46:25,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 09:46:25,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 09:46:25,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 09:46:25,142 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 09:46:25,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (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 09:46:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 09:46:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 09:46:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 09:46:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 09:46:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 09:46:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 09:46:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 09:46:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 09:46:28,504 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 09:46:28,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:46:28 BoogieIcfgContainer [2018-09-15 09:46:28,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 09:46:28,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 09:46:28,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 09:46:28,517 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 09:46:28,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 09:46:23" (1/3) ... [2018-09-15 09:46:28,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1d4d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:46:28, skipping insertion in model container [2018-09-15 09:46:28,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:46:24" (2/3) ... [2018-09-15 09:46:28,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1d4d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:46:28, skipping insertion in model container [2018-09-15 09:46:28,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:46:28" (3/3) ... [2018-09-15 09:46:28,524 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label32_true-unreach-call_false-termination.c [2018-09-15 09:46:28,536 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 09:46:28,550 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 09:46:28,612 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 09:46:28,612 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 09:46:28,613 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 09:46:28,613 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 09:46:28,613 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 09:46:28,613 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 09:46:28,613 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 09:46:28,613 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 09:46:28,614 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 09:46:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-15 09:46:28,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-15 09:46:28,663 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:46:28,665 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:46:28,666 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:46:28,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1069812280, now seen corresponding path program 1 times [2018-09-15 09:46:28,673 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:46:28,674 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 117 with the following transitions: [2018-09-15 09:46:28,677 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [867], [871], [877], [881], [888], [889], [890], [892] [2018-09-15 09:46:28,772 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:46:28,773 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:46:52,934 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:46:52,936 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-09-15 09:46:52,957 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:46:55,929 INFO L232 lantSequenceWeakener]: Weakened 114 states. On average, predicates are now at 81.07% of their original sizes. [2018-09-15 09:46:55,929 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:46:57,055 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 09:46:57,056 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 09:46:57,057 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 09:46:57,057 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 09:46:57,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 09:46:57,071 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 09:46:57,072 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-09-15 09:46:57,075 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 10 states. [2018-09-15 09:47:03,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 09:47:03,662 INFO L93 Difference]: Finished difference Result 622 states and 1061 transitions. [2018-09-15 09:47:03,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-15 09:47:03,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 116 [2018-09-15 09:47:03,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 09:47:03,686 INFO L225 Difference]: With dead ends: 622 [2018-09-15 09:47:03,686 INFO L226 Difference]: Without dead ends: 383 [2018-09-15 09:47:03,694 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-09-15 09:47:03,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-09-15 09:47:03,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2018-09-15 09:47:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-15 09:47:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 531 transitions. [2018-09-15 09:47:03,783 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 531 transitions. Word has length 116 [2018-09-15 09:47:03,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 09:47:03,784 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 531 transitions. [2018-09-15 09:47:03,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 09:47:03,784 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-09-15 09:47:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-15 09:47:03,790 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:47:03,791 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-15 09:47:03,791 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:47:03,792 INFO L82 PathProgramCache]: Analyzing trace with hash 66891049, now seen corresponding path program 1 times [2018-09-15 09:47:03,792 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:47:03,792 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-09-15 09:47:03,793 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 09:47:03,802 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:47:03,803 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:48:35,458 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:48:35,459 INFO L272 AbstractInterpreter]: Visited 119 different actions 232 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-15 09:48:35,468 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:48:43,873 INFO L232 lantSequenceWeakener]: Weakened 124 states. On average, predicates are now at 81.09% of their original sizes. [2018-09-15 09:48:43,874 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:48:46,614 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 09:48:46,614 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 09:48:46,615 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-15 09:48:46,615 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 09:48:46,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-15 09:48:46,616 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-15 09:48:46,617 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-15 09:48:46,617 INFO L87 Difference]: Start difference. First operand 380 states and 531 transitions. Second operand 15 states. [2018-09-15 09:49:00,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 09:49:00,078 INFO L93 Difference]: Finished difference Result 907 states and 1349 transitions. [2018-09-15 09:49:00,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-15 09:49:00,080 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 126 [2018-09-15 09:49:00,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 09:49:00,086 INFO L225 Difference]: With dead ends: 907 [2018-09-15 09:49:00,086 INFO L226 Difference]: Without dead ends: 533 [2018-09-15 09:49:00,096 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 141 GetRequests, 83 SyntacticMatches, 29 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=221, Invalid=709, Unknown=0, NotChecked=0, Total=930 [2018-09-15 09:49:00,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2018-09-15 09:49:00,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 527. [2018-09-15 09:49:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-09-15 09:49:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 690 transitions. [2018-09-15 09:49:00,156 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 690 transitions. Word has length 126 [2018-09-15 09:49:00,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 09:49:00,157 INFO L480 AbstractCegarLoop]: Abstraction has 527 states and 690 transitions. [2018-09-15 09:49:00,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-15 09:49:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 690 transitions. [2018-09-15 09:49:00,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-15 09:49:00,163 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:49:00,163 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-15 09:49:00,164 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:49:00,164 INFO L82 PathProgramCache]: Analyzing trace with hash 889215009, now seen corresponding path program 1 times [2018-09-15 09:49:00,164 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:49:00,165 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 131 with the following transitions: [2018-09-15 09:49:00,165 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 09:49:00,171 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:49:00,171 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:50:31,203 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:50:31,203 INFO L272 AbstractInterpreter]: Visited 119 different actions 232 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-15 09:50:31,211 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:50:38,410 INFO L232 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 81.07% of their original sizes. [2018-09-15 09:50:38,410 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:50:41,158 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 09:50:41,158 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 09:50:41,159 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-15 09:50:41,159 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 09:50:41,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-15 09:50:41,160 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-15 09:50:41,161 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-09-15 09:50:41,161 INFO L87 Difference]: Start difference. First operand 527 states and 690 transitions. Second operand 16 states. Received shutdown request... [2018-09-15 09:50:45,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 09:50:45,264 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 09:50:45,272 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 09:50:45,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 09:50:45 BoogieIcfgContainer [2018-09-15 09:50:45,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 09:50:45,274 INFO L168 Benchmark]: Toolchain (without parser) took 261277.72 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-15 09:50:45,276 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 09:50:45,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-15 09:50:45,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.96 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 09:50:45,279 INFO L168 Benchmark]: Boogie Preprocessor took 257.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -826.8 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2018-09-15 09:50:45,280 INFO L168 Benchmark]: RCFGBuilder took 3363.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 93.8 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. [2018-09-15 09:50:45,281 INFO L168 Benchmark]: TraceAbstraction took 256766.01 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.1 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-15 09:50:45,290 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 796.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 83.96 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. * Boogie Preprocessor took 257.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -826.8 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3363.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 93.8 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 256766.01 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.1 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 499]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 499). Cancelled while BasicCegarLoop was constructing difference of abstraction (527states) and FLOYD_HOARE automaton (currently 18 states, 16 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 28 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 256.6s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 24.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 530 SDtfs, 2022 SDslu, 980 SDs, 0 SdLazy, 4342 SolverSat, 349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 402 GetRequests, 276 SyntacticMatches, 58 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 207.0s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9941981990548527 AbsIntWeakeningRatio, 0.2032520325203252 AbsIntAvgWeakeningVarsNumRemoved, 806.0785907859079 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 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/Problem02_label32_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_09-50-45-306.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label32_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_09-50-45-306.csv Completed graceful shutdown