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/psyco/psyco_security_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 04:57:50,272 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 04:57:50,275 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 04:57:50,289 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 04:57:50,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 04:57:50,291 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 04:57:50,292 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 04:57:50,294 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 04:57:50,296 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 04:57:50,297 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 04:57:50,298 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 04:57:50,298 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 04:57:50,299 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 04:57:50,300 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 04:57:50,301 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 04:57:50,302 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 04:57:50,303 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 04:57:50,305 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 04:57:50,307 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 04:57:50,308 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 04:57:50,309 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 04:57:50,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 04:57:50,313 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 04:57:50,313 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 04:57:50,314 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 04:57:50,315 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 04:57:50,316 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 04:57:50,317 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 04:57:50,318 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 04:57:50,320 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 04:57:50,320 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 04:57:50,321 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 04:57:50,321 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 04:57:50,321 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 04:57:50,324 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 04:57:50,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 04:57:50,326 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 [2018-09-19 04:57:50,345 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 04:57:50,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 04:57:50,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 04:57:50,347 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 04:57:50,347 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 04:57:50,347 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 04:57:50,348 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 04:57:50,348 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 04:57:50,348 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 04:57:50,348 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 04:57:50,348 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 04:57:50,348 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 04:57:50,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 04:57:50,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 04:57:50,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 04:57:50,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 04:57:50,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 04:57:50,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 04:57:50,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 04:57:50,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 04:57:50,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 04:57:50,351 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 04:57:50,351 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 04:57:50,351 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 04:57:50,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 04:57:50,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 04:57:50,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 04:57:50,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 04:57:50,352 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 04:57:50,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 04:57:50,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 04:57:50,353 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 04:57:50,353 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 04:57:50,353 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 04:57:50,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 04:57:50,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 04:57:50,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 04:57:50,449 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 04:57:50,449 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 04:57:50,450 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c [2018-09-19 04:57:50,792 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae6c1aa4/ac071ed4cbe34ac5af432809bae135f5/FLAG93288ff4a [2018-09-19 04:57:51,026 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 04:57:51,028 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c [2018-09-19 04:57:51,044 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae6c1aa4/ac071ed4cbe34ac5af432809bae135f5/FLAG93288ff4a [2018-09-19 04:57:51,069 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae6c1aa4/ac071ed4cbe34ac5af432809bae135f5 [2018-09-19 04:57:51,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 04:57:51,088 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 04:57:51,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 04:57:51,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 04:57:51,103 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 04:57:51,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fad80b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51, skipping insertion in model container [2018-09-19 04:57:51,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,121 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 04:57:51,432 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 04:57:51,464 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 04:57:51,499 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 04:57:51,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51 WrapperNode [2018-09-19 04:57:51,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 04:57:51,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 04:57:51,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 04:57:51,522 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 04:57:51,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 04:57:51,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 04:57:51,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 04:57:51,570 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 04:57:51,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (1/1) ... [2018-09-19 04:57:51,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 04:57:51,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 04:57:51,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 04:57:51,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 04:57:51,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (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 [2018-09-19 04:57:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 04:57:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 04:57:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 04:57:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 04:57:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 04:57:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 04:57:52,604 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 04:57:52,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:57:52 BoogieIcfgContainer [2018-09-19 04:57:52,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 04:57:52,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 04:57:52,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 04:57:52,609 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 04:57:52,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:57:51" (1/3) ... [2018-09-19 04:57:52,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce6e6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:57:52, skipping insertion in model container [2018-09-19 04:57:52,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:51" (2/3) ... [2018-09-19 04:57:52,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce6e6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:57:52, skipping insertion in model container [2018-09-19 04:57:52,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:57:52" (3/3) ... [2018-09-19 04:57:52,613 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_security_true-unreach-call_false-termination.c [2018-09-19 04:57:52,623 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 04:57:52,631 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 04:57:52,678 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 04:57:52,678 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 04:57:52,678 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 04:57:52,679 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 04:57:52,679 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 04:57:52,679 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 04:57:52,679 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 04:57:52,679 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 04:57:52,680 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 04:57:52,699 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-09-19 04:57:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-19 04:57:52,706 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:57:52,707 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:57:52,708 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:57:52,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1921368221, now seen corresponding path program 1 times [2018-09-19 04:57:52,718 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:57:52,720 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-19 04:57:52,724 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [27], [373], [376], [377], [378] [2018-09-19 04:57:52,785 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:57:52,785 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:57:52,943 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:57:52,945 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-09-19 04:57:52,982 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:57:53,202 INFO L232 lantSequenceWeakener]: Weakened 11 states. On average, predicates are now at 97.45% of their original sizes. [2018-09-19 04:57:53,202 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:57:53,295 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:57:53,297 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:57:53,297 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-19 04:57:53,297 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:57:53,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-19 04:57:53,309 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-19 04:57:53,310 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-19 04:57:53,313 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 4 states. [2018-09-19 04:57:53,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:57:53,581 INFO L93 Difference]: Finished difference Result 163 states and 304 transitions. [2018-09-19 04:57:53,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-19 04:57:53,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-09-19 04:57:53,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:57:53,595 INFO L225 Difference]: With dead ends: 163 [2018-09-19 04:57:53,595 INFO L226 Difference]: Without dead ends: 81 [2018-09-19 04:57:53,599 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-19 04:57:53,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-19 04:57:53,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-09-19 04:57:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-19 04:57:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 116 transitions. [2018-09-19 04:57:53,645 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 116 transitions. Word has length 13 [2018-09-19 04:57:53,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:57:53,645 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 116 transitions. [2018-09-19 04:57:53,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-19 04:57:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2018-09-19 04:57:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-19 04:57:53,647 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:57:53,647 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:57:53,647 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:57:53,648 INFO L82 PathProgramCache]: Analyzing trace with hash -304388480, now seen corresponding path program 1 times [2018-09-19 04:57:53,648 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:57:53,648 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-09-19 04:57:53,649 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [373], [376], [377], [378] [2018-09-19 04:57:53,651 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:57:53,651 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:57:53,705 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:57:53,706 INFO L272 AbstractInterpreter]: Visited 14 different actions 17 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 17 variables. [2018-09-19 04:57:53,745 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:57:53,853 INFO L232 lantSequenceWeakener]: Weakened 14 states. On average, predicates are now at 94.93% of their original sizes. [2018-09-19 04:57:53,853 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:57:54,092 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:57:54,092 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:57:54,093 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-19 04:57:54,093 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:57:54,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-19 04:57:54,094 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-19 04:57:54,094 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-19 04:57:54,095 INFO L87 Difference]: Start difference. First operand 81 states and 116 transitions. Second operand 7 states. [2018-09-19 04:57:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:57:54,595 INFO L93 Difference]: Finished difference Result 190 states and 274 transitions. [2018-09-19 04:57:54,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-19 04:57:54,595 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-09-19 04:57:54,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:57:54,598 INFO L225 Difference]: With dead ends: 190 [2018-09-19 04:57:54,598 INFO L226 Difference]: Without dead ends: 110 [2018-09-19 04:57:54,602 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-09-19 04:57:54,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-09-19 04:57:54,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 96. [2018-09-19 04:57:54,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-09-19 04:57:54,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2018-09-19 04:57:54,618 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 19 [2018-09-19 04:57:54,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:57:54,618 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2018-09-19 04:57:54,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-19 04:57:54,619 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2018-09-19 04:57:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-19 04:57:54,620 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:57:54,620 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:57:54,620 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:57:54,621 INFO L82 PathProgramCache]: Analyzing trace with hash -504951029, now seen corresponding path program 1 times [2018-09-19 04:57:54,621 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:57:54,621 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 27 with the following transitions: [2018-09-19 04:57:54,621 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [86], [89], [92], [95], [100], [373], [376], [377], [378] [2018-09-19 04:57:54,623 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:57:54,624 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:57:54,723 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:57:54,723 INFO L272 AbstractInterpreter]: Visited 22 different actions 37 times. Merged at 11 different actions 12 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 18 variables. [2018-09-19 04:57:54,760 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:57:54,921 INFO L232 lantSequenceWeakener]: Weakened 24 states. On average, predicates are now at 94.44% of their original sizes. [2018-09-19 04:57:54,921 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:57:55,551 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:57:55,551 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:57:55,552 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 04:57:55,552 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:57:55,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 04:57:55,553 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 04:57:55,553 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-09-19 04:57:55,553 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand 12 states. [2018-09-19 04:57:56,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:57:56,561 INFO L93 Difference]: Finished difference Result 265 states and 370 transitions. [2018-09-19 04:57:56,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 04:57:56,562 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2018-09-19 04:57:56,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:57:56,564 INFO L225 Difference]: With dead ends: 265 [2018-09-19 04:57:56,565 INFO L226 Difference]: Without dead ends: 161 [2018-09-19 04:57:56,566 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2018-09-19 04:57:56,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-09-19 04:57:56,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 130. [2018-09-19 04:57:56,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-09-19 04:57:56,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 183 transitions. [2018-09-19 04:57:56,584 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 183 transitions. Word has length 26 [2018-09-19 04:57:56,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:57:56,585 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 183 transitions. [2018-09-19 04:57:56,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 04:57:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 183 transitions. [2018-09-19 04:57:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-19 04:57:56,587 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:57:56,587 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:57:56,587 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:57:56,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1357701824, now seen corresponding path program 1 times [2018-09-19 04:57:56,588 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:57:56,588 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 28 with the following transitions: [2018-09-19 04:57:56,588 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [86], [89], [105], [108], [111], [116], [373], [376], [377], [378] [2018-09-19 04:57:56,590 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:57:56,591 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:57:56,699 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:57:56,699 INFO L272 AbstractInterpreter]: Visited 20 different actions 36 times. Merged at 12 different actions 13 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 19 variables. [2018-09-19 04:57:56,703 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:57:56,833 INFO L232 lantSequenceWeakener]: Weakened 22 states. On average, predicates are now at 94.87% of their original sizes. [2018-09-19 04:57:56,833 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:57:57,047 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:57:57,047 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:57:57,048 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 04:57:57,048 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:57:57,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 04:57:57,048 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 04:57:57,049 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-19 04:57:57,049 INFO L87 Difference]: Start difference. First operand 130 states and 183 transitions. Second operand 10 states. [2018-09-19 04:57:57,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:57:57,414 INFO L93 Difference]: Finished difference Result 234 states and 322 transitions. [2018-09-19 04:57:57,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-19 04:57:57,416 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-09-19 04:57:57,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:57:57,417 INFO L225 Difference]: With dead ends: 234 [2018-09-19 04:57:57,417 INFO L226 Difference]: Without dead ends: 107 [2018-09-19 04:57:57,419 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-09-19 04:57:57,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-09-19 04:57:57,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 97. [2018-09-19 04:57:57,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-09-19 04:57:57,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 129 transitions. [2018-09-19 04:57:57,430 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 129 transitions. Word has length 27 [2018-09-19 04:57:57,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:57:57,430 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 129 transitions. [2018-09-19 04:57:57,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 04:57:57,430 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 129 transitions. [2018-09-19 04:57:57,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-19 04:57:57,432 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:57:57,432 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:57:57,432 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:57:57,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1172052595, now seen corresponding path program 1 times [2018-09-19 04:57:57,433 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:57:57,433 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 30 with the following transitions: [2018-09-19 04:57:57,433 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [86], [89], [92], [95], [100], [105], [121], [124], [127], [130], [373], [376], [377], [378] [2018-09-19 04:57:57,435 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:57:57,435 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:57:57,517 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 04:57:57,518 INFO L272 AbstractInterpreter]: Visited 24 different actions 43 times. Merged at 15 different actions 16 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 19 variables. [2018-09-19 04:57:57,523 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 04:57:57,540 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 04:57:57,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:57:57 BoogieIcfgContainer [2018-09-19 04:57:57,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 04:57:57,542 INFO L168 Benchmark]: Toolchain (without parser) took 6458.87 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -259.1 MB). Peak memory consumption was 479.1 MB. Max. memory is 7.1 GB. [2018-09-19 04:57:57,544 INFO L168 Benchmark]: CDTParser took 0.61 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. [2018-09-19 04:57:57,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.96 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. [2018-09-19 04:57:57,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.20 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. [2018-09-19 04:57:57,546 INFO L168 Benchmark]: Boogie Preprocessor took 47.19 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. [2018-09-19 04:57:57,546 INFO L168 Benchmark]: RCFGBuilder took 985.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2018-09-19 04:57:57,547 INFO L168 Benchmark]: TraceAbstraction took 4935.09 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 498.3 MB). Peak memory consumption was 498.3 MB. Max. memory is 7.1 GB. [2018-09-19 04:57:57,552 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 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 429.96 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 Procedure Inliner took 48.20 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 47.19 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. * RCFGBuilder took 985.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4935.09 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 498.3 MB). Peak memory consumption was 498.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 389]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L5] int m_initSign = 1; [L6] int m_initVerify = 2; [L7] int m_Signature = 3; [L8] int m_sign = 4; [L9] int m_verify = 5; [L10] int m_update = 6; [L15] int q = 0; [L16] int method_id; [L19] int this_state = 0; [L22] COND TRUE 1 [L27] COND TRUE q == 0 [L28] COND TRUE __VERIFIER_nondet_int() [L30] COND TRUE 1 [L32] method_id = 3 [L34] COND FALSE !(0) [L38] q = 2 [L40] this_state=0 [L22] COND TRUE 1 [L27] COND FALSE !(q == 0) [L47] COND FALSE !(q == 1) [L99] COND TRUE q == 2 [L100] COND TRUE __VERIFIER_nondet_int() [L102] COND TRUE 1 [L104] method_id = 1 [L106] COND FALSE !(0) [L110] q = 3 [L112] this_state=2 [L22] COND TRUE 1 [L27] COND FALSE !(q == 0) [L47] COND FALSE !(q == 1) [L99] COND TRUE q == 2 [L100] COND FALSE !(__VERIFIER_nondet_int()) [L116] COND FALSE !(__VERIFIER_nondet_int()) [L132] COND TRUE __VERIFIER_nondet_int() [L134] COND TRUE 1 [L136] method_id = 4 [L138] COND TRUE (this_state == 2) [L389] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 1 error locations. UNKNOWN Result, 4.8s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 405 SDtfs, 552 SDslu, 1395 SDs, 0 SdLazy, 566 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 104 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9551582599684879 AbsIntWeakeningRatio, 0.6790123456790124 AbsIntAvgWeakeningVarsNumRemoved, 290.81481481481484 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 55 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: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_security_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_04-57-57-565.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_security_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_04-57-57-565.csv Received shutdown request...