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/Problem14_label38_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 22:53:41,106 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 22:53:41,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 22:53:41,122 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 22:53:41,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 22:53:41,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 22:53:41,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 22:53:41,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 22:53:41,129 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 22:53:41,130 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 22:53:41,131 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 22:53:41,131 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 22:53:41,132 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 22:53:41,133 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 22:53:41,134 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 22:53:41,135 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 22:53:41,136 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 22:53:41,139 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 22:53:41,141 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 22:53:41,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 22:53:41,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 22:53:41,148 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 22:53:41,150 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 22:53:41,151 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 22:53:41,151 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 22:53:41,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 22:53:41,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 22:53:41,154 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 22:53:41,155 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 22:53:41,156 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 22:53:41,156 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 22:53:41,157 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 22:53:41,157 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 22:53:41,158 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 22:53:41,159 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 22:53:41,159 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 22:53:41,160 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 22:53:41,194 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 22:53:41,195 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 22:53:41,196 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 22:53:41,196 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 22:53:41,197 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 22:53:41,197 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 22:53:41,197 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 22:53:41,197 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 22:53:41,198 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 22:53:41,198 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 22:53:41,198 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 22:53:41,200 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 22:53:41,200 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 22:53:41,200 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 22:53:41,200 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 22:53:41,201 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 22:53:41,201 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 22:53:41,201 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 22:53:41,201 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 22:53:41,202 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 22:53:41,202 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 22:53:41,202 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 22:53:41,202 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 22:53:41,204 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 22:53:41,204 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 22:53:41,205 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 22:53:41,205 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 22:53:41,205 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 22:53:41,205 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 22:53:41,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 22:53:41,206 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 22:53:41,206 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 22:53:41,206 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 22:53:41,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 22:53:41,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 22:53:41,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 22:53:41,312 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 22:53:41,312 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 22:53:41,313 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c [2018-09-15 22:53:41,703 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72525d8ec/aa78c10f4ea34c43a397344bc7ae6656/FLAG1316ea620 [2018-09-15 22:53:42,001 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 22:53:42,001 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c [2018-09-15 22:53:42,017 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72525d8ec/aa78c10f4ea34c43a397344bc7ae6656/FLAG1316ea620 [2018-09-15 22:53:42,038 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72525d8ec/aa78c10f4ea34c43a397344bc7ae6656 [2018-09-15 22:53:42,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 22:53:42,058 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 22:53:42,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 22:53:42,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 22:53:42,068 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 22:53:42,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:42,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68983f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42, skipping insertion in model container [2018-09-15 22:53:42,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:42,085 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 22:53:42,593 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 22:53:42,612 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 22:53:42,723 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 22:53:42,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42 WrapperNode [2018-09-15 22:53:42,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 22:53:42,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 22:53:42,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 22:53:42,773 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 22:53:42,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:42,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:42,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 22:53:42,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 22:53:42,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 22:53:42,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 22:53:43,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:43,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:43,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:43,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:43,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:43,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:43,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (1/1) ... [2018-09-15 22:53:43,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 22:53:43,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 22:53:43,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 22:53:43,191 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 22:53:43,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (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 22:53:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 22:53:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 22:53:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 22:53:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 22:53:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 22:53:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 22:53:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 22:53:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 22:53:47,114 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 22:53:47,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 10:53:47 BoogieIcfgContainer [2018-09-15 22:53:47,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 22:53:47,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 22:53:47,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 22:53:47,120 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 22:53:47,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 10:53:42" (1/3) ... [2018-09-15 22:53:47,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f867d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 10:53:47, skipping insertion in model container [2018-09-15 22:53:47,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:53:42" (2/3) ... [2018-09-15 22:53:47,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f867d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 10:53:47, skipping insertion in model container [2018-09-15 22:53:47,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 10:53:47" (3/3) ... [2018-09-15 22:53:47,125 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label38_true-unreach-call_false-termination.c [2018-09-15 22:53:47,135 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 22:53:47,145 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 22:53:47,201 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 22:53:47,202 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 22:53:47,202 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 22:53:47,202 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 22:53:47,202 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 22:53:47,202 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 22:53:47,202 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 22:53:47,203 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 22:53:47,203 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 22:53:47,231 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-09-15 22:53:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-15 22:53:47,242 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 22:53:47,243 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] [2018-09-15 22:53:47,244 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 22:53:47,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1456283993, now seen corresponding path program 1 times [2018-09-15 22:53:47,253 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 22:53:47,254 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 58 with the following transitions: [2018-09-15 22:53:47,257 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [357], [359], [952], [956], [962], [966], [973], [974], [975], [977] [2018-09-15 22:53:47,302 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 22:53:47,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 22:53:48,816 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 22:53:48,818 INFO L272 AbstractInterpreter]: Visited 56 different actions 56 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 22:53:48,853 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 22:53:49,918 INFO L232 lantSequenceWeakener]: Weakened 54 states. On average, predicates are now at 80.27% of their original sizes. [2018-09-15 22:53:49,919 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 22:53:50,165 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 22:53:50,166 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 22:53:50,167 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 22:53:50,167 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 22:53:50,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 22:53:50,182 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 22:53:50,183 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 22:53:50,185 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 6 states. [2018-09-15 22:53:53,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 22:53:53,339 INFO L93 Difference]: Finished difference Result 693 states and 1229 transitions. [2018-09-15 22:53:53,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 22:53:53,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-09-15 22:53:53,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 22:53:53,364 INFO L225 Difference]: With dead ends: 693 [2018-09-15 22:53:53,364 INFO L226 Difference]: Without dead ends: 436 [2018-09-15 22:53:53,372 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 56 GetRequests, 52 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 22:53:53,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-09-15 22:53:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2018-09-15 22:53:53,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-09-15 22:53:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 615 transitions. [2018-09-15 22:53:53,463 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 615 transitions. Word has length 57 [2018-09-15 22:53:53,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 22:53:53,464 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 615 transitions. [2018-09-15 22:53:53,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 22:53:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 615 transitions. [2018-09-15 22:53:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-15 22:53:53,471 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 22:53:53,472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:53,472 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 22:53:53,473 INFO L82 PathProgramCache]: Analyzing trace with hash -402452437, now seen corresponding path program 1 times [2018-09-15 22:53:53,473 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 22:53:53,473 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-09-15 22:53:53,474 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [357], [359], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-15 22:53:53,480 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 22:53:53,480 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 22:54:00,697 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 22:54:00,697 INFO L272 AbstractInterpreter]: Visited 92 different actions 177 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 22:54:00,713 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 22:54:05,034 INFO L232 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 78.53% of their original sizes. [2018-09-15 22:54:05,035 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 22:54:05,163 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 22:54:05,164 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 22:54:05,164 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 22:54:05,164 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 22:54:05,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 22:54:05,166 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 22:54:05,166 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 22:54:05,166 INFO L87 Difference]: Start difference. First operand 434 states and 615 transitions. Second operand 11 states. [2018-09-15 22:54:08,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 22:54:08,952 INFO L93 Difference]: Finished difference Result 1051 states and 1763 transitions. [2018-09-15 22:54:08,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-15 22:54:08,953 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2018-09-15 22:54:08,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 22:54:08,961 INFO L225 Difference]: With dead ends: 1051 [2018-09-15 22:54:08,961 INFO L226 Difference]: Without dead ends: 806 [2018-09-15 22:54:08,964 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 22:54:08,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2018-09-15 22:54:09,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 803. [2018-09-15 22:54:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2018-09-15 22:54:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1002 transitions. [2018-09-15 22:54:09,015 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1002 transitions. Word has length 142 [2018-09-15 22:54:09,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 22:54:09,017 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 1002 transitions. [2018-09-15 22:54:09,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 22:54:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1002 transitions. [2018-09-15 22:54:09,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-15 22:54:09,022 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 22:54:09,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:09,023 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 22:54:09,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1353933825, now seen corresponding path program 1 times [2018-09-15 22:54:09,023 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 22:54:09,024 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-09-15 22:54:09,024 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [357], [359], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-15 22:54:09,029 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 22:54:09,030 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 22:54:35,272 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 22:54:35,272 INFO L272 AbstractInterpreter]: Visited 118 different actions 230 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 22:54:35,281 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 22:54:54,749 INFO L232 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 78.33% of their original sizes. [2018-09-15 22:54:54,749 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 22:54:54,873 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 22:54:54,873 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 22:54:54,874 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 22:54:54,874 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 22:54:54,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 22:54:54,875 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 22:54:54,875 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 22:54:54,876 INFO L87 Difference]: Start difference. First operand 803 states and 1002 transitions. Second operand 11 states. [2018-09-15 22:54:57,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 22:54:57,771 INFO L93 Difference]: Finished difference Result 1236 states and 1786 transitions. [2018-09-15 22:54:57,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 22:54:57,773 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2018-09-15 22:54:57,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 22:54:57,780 INFO L225 Difference]: With dead ends: 1236 [2018-09-15 22:54:57,780 INFO L226 Difference]: Without dead ends: 991 [2018-09-15 22:54:57,782 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 175 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 22:54:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-09-15 22:54:57,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 988. [2018-09-15 22:54:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 988 states. [2018-09-15 22:54:57,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1200 transitions. [2018-09-15 22:54:57,820 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1200 transitions. Word has length 168 [2018-09-15 22:54:57,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 22:54:57,821 INFO L480 AbstractCegarLoop]: Abstraction has 988 states and 1200 transitions. [2018-09-15 22:54:57,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 22:54:57,821 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1200 transitions. [2018-09-15 22:54:57,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-09-15 22:54:57,829 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 22:54:57,830 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, 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] [2018-09-15 22:54:57,830 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 22:54:57,830 INFO L82 PathProgramCache]: Analyzing trace with hash 2120173293, now seen corresponding path program 1 times [2018-09-15 22:54:57,830 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 22:54:57,831 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-09-15 22:54:57,831 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [357], [359], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-15 22:54:57,836 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 22:54:57,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 22:56:24,810 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 22:56:24,811 INFO L272 AbstractInterpreter]: Visited 119 different actions 466 times. Merged at 7 different actions 23 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 22:56:24,813 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-15 22:57:40,046 INFO L232 lantSequenceWeakener]: Weakened 250 states. On average, predicates are now at 78.01% of their original sizes. [2018-09-15 22:57:40,047 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 22:57:40,054 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 22:57:40,058 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 22:57:40,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 10:57:40 BoogieIcfgContainer [2018-09-15 22:57:40,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 22:57:40,060 INFO L168 Benchmark]: Toolchain (without parser) took 238005.34 ms. Allocated memory was 1.5 GB in the beginning and 5.7 GB in the end (delta: 4.2 GB). Free memory was 1.4 GB in the beginning and 4.3 GB in the end (delta: -2.9 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-15 22:57:40,062 INFO L168 Benchmark]: CDTParser took 0.22 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 22:57:40,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.94 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-15 22:57:40,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.98 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-15 22:57:40,064 INFO L168 Benchmark]: Boogie Preprocessor took 285.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 770.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -875.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2018-09-15 22:57:40,065 INFO L168 Benchmark]: RCFGBuilder took 3924.75 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: 122.4 MB). Peak memory consumption was 122.4 MB. Max. memory is 7.1 GB. [2018-09-15 22:57:40,066 INFO L168 Benchmark]: TraceAbstraction took 232942.43 ms. Allocated memory was 2.3 GB in the beginning and 5.7 GB in the end (delta: 3.4 GB). Free memory was 2.1 GB in the beginning and 4.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-15 22:57:40,072 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 712.94 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 130.98 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 285.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 770.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -875.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3924.75 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: 122.4 MB). Peak memory consumption was 122.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232942.43 ms. Allocated memory was 2.3 GB in the beginning and 5.7 GB in the end (delta: 3.4 GB). Free memory was 2.1 GB in the beginning and 4.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 154). Cancelled while BasicCegarLoop was analyzing trace of length 254 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 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 232.8s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 9.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 741 SDtfs, 2168 SDslu, 488 SDs, 0 SdLazy, 4344 SolverSat, 731 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 379 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=988occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 122.0s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9970129320143439 AbsIntWeakeningRatio, 0.12987012987012986 AbsIntAvgWeakeningVarsNumRemoved, 4.443181818181818 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label38_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_22-57-40-087.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label38_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_22-57-40-087.csv Completed graceful shutdown