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_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 21:00:34,499 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 21:00:34,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 21:00:34,518 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 21:00:34,518 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 21:00:34,519 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 21:00:34,521 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 21:00:34,522 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 21:00:34,524 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 21:00:34,525 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 21:00:34,526 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 21:00:34,526 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 21:00:34,527 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 21:00:34,528 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 21:00:34,529 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 21:00:34,530 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 21:00:34,531 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 21:00:34,533 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 21:00:34,535 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 21:00:34,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 21:00:34,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 21:00:34,539 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 21:00:34,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 21:00:34,542 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 21:00:34,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 21:00:34,543 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 21:00:34,544 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 21:00:34,545 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 21:00:34,546 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 21:00:34,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 21:00:34,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 21:00:34,549 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 21:00:34,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 21:00:34,551 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 21:00:34,554 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 21:00:34,555 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 21:00:34,555 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-15 21:00:34,587 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 21:00:34,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 21:00:34,589 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 21:00:34,589 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 21:00:34,589 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 21:00:34,590 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 21:00:34,590 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 21:00:34,590 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 21:00:34,590 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 21:00:34,590 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 21:00:34,591 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 21:00:34,591 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 21:00:34,592 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 21:00:34,592 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 21:00:34,592 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 21:00:34,593 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 21:00:34,593 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 21:00:34,593 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 21:00:34,593 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 21:00:34,593 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 21:00:34,595 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 21:00:34,595 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 21:00:34,595 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 21:00:34,595 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 21:00:34,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 21:00:34,596 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 21:00:34,596 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 21:00:34,596 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 21:00:34,596 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 21:00:34,597 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 21:00:34,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 21:00:34,597 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 21:00:34,597 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 21:00:34,597 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 21:00:34,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 21:00:34,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 21:00:34,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 21:00:34,676 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 21:00:34,678 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 21:00:34,678 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c [2018-09-15 21:00:35,084 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd4d1531/a03d3a9edb29494aabf5b3f632efeeeb/FLAG45b71bd8e [2018-09-15 21:00:35,277 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 21:00:35,277 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c [2018-09-15 21:00:35,291 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd4d1531/a03d3a9edb29494aabf5b3f632efeeeb/FLAG45b71bd8e [2018-09-15 21:00:35,318 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd4d1531/a03d3a9edb29494aabf5b3f632efeeeb [2018-09-15 21:00:35,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 21:00:35,331 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 21:00:35,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 21:00:35,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 21:00:35,340 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 21:00:35,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4899c2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35, skipping insertion in model container [2018-09-15 21:00:35,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,358 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 21:00:35,612 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 21:00:35,633 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 21:00:35,669 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 21:00:35,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35 WrapperNode [2018-09-15 21:00:35,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 21:00:35,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 21:00:35,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 21:00:35,702 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 21:00:35,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 21:00:35,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 21:00:35,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 21:00:35,744 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 21:00:35,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (1/1) ... [2018-09-15 21:00:35,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 21:00:35,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 21:00:35,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 21:00:35,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 21:00:35,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (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 21:00:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 21:00:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 21:00:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 21:00:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 21:00:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 21:00:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 21:00:36,837 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 21:00:36,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:00:36 BoogieIcfgContainer [2018-09-15 21:00:36,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 21:00:36,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 21:00:36,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 21:00:36,843 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 21:00:36,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 09:00:35" (1/3) ... [2018-09-15 21:00:36,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2689f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:00:36, skipping insertion in model container [2018-09-15 21:00:36,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:00:35" (2/3) ... [2018-09-15 21:00:36,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2689f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:00:36, skipping insertion in model container [2018-09-15 21:00:36,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:00:36" (3/3) ... [2018-09-15 21:00:36,847 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_security_true-unreach-call_false-termination.c [2018-09-15 21:00:36,856 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 21:00:36,864 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 21:00:36,912 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 21:00:36,913 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 21:00:36,913 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 21:00:36,913 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 21:00:36,913 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 21:00:36,913 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 21:00:36,914 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 21:00:36,914 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 21:00:36,914 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 21:00:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-09-15 21:00:36,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-15 21:00:36,942 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 21:00:36,944 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 21:00:36,945 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 21:00:36,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1921368221, now seen corresponding path program 1 times [2018-09-15 21:00:36,954 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 21:00:36,955 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-15 21:00:36,958 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [27], [373], [376], [377], [378] [2018-09-15 21:00:37,007 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 21:00:37,008 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 21:00:37,123 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 21:00:37,125 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-09-15 21:00:37,166 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 21:00:37,314 INFO L232 lantSequenceWeakener]: Weakened 11 states. On average, predicates are now at 97.45% of their original sizes. [2018-09-15 21:00:37,315 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 21:00:37,376 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 21:00:37,378 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 21:00:37,378 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-15 21:00:37,378 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 21:00:37,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-15 21:00:37,389 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-15 21:00:37,389 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-15 21:00:37,392 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 4 states. [2018-09-15 21:00:37,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 21:00:37,763 INFO L93 Difference]: Finished difference Result 163 states and 304 transitions. [2018-09-15 21:00:37,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-15 21:00:37,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-09-15 21:00:37,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 21:00:37,780 INFO L225 Difference]: With dead ends: 163 [2018-09-15 21:00:37,781 INFO L226 Difference]: Without dead ends: 81 [2018-09-15 21:00:37,785 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-15 21:00:37,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-15 21:00:37,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-09-15 21:00:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-15 21:00:37,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 116 transitions. [2018-09-15 21:00:37,841 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 116 transitions. Word has length 13 [2018-09-15 21:00:37,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 21:00:37,842 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 116 transitions. [2018-09-15 21:00:37,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-15 21:00:37,842 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2018-09-15 21:00:37,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-15 21:00:37,844 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 21:00:37,844 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 21:00:37,844 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 21:00:37,845 INFO L82 PathProgramCache]: Analyzing trace with hash -304388480, now seen corresponding path program 1 times [2018-09-15 21:00:37,845 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 21:00:37,845 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-09-15 21:00:37,845 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [373], [376], [377], [378] [2018-09-15 21:00:37,847 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 21:00:37,848 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 21:00:37,916 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 21:00:37,916 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. [2018-09-15 21:00:37,957 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 21:00:38,074 INFO L232 lantSequenceWeakener]: Weakened 14 states. On average, predicates are now at 95.2% of their original sizes. [2018-09-15 21:00:38,075 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 21:00:38,430 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 21:00:38,430 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 21:00:38,430 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-15 21:00:38,431 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 21:00:38,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-15 21:00:38,432 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-15 21:00:38,432 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-15 21:00:38,432 INFO L87 Difference]: Start difference. First operand 81 states and 116 transitions. Second operand 7 states. [2018-09-15 21:00:39,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 21:00:39,178 INFO L93 Difference]: Finished difference Result 190 states and 274 transitions. [2018-09-15 21:00:39,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-15 21:00:39,178 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-09-15 21:00:39,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 21:00:39,180 INFO L225 Difference]: With dead ends: 190 [2018-09-15 21:00:39,181 INFO L226 Difference]: Without dead ends: 110 [2018-09-15 21:00:39,185 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-09-15 21:00:39,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-09-15 21:00:39,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 96. [2018-09-15 21:00:39,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-09-15 21:00:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2018-09-15 21:00:39,217 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 19 [2018-09-15 21:00:39,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 21:00:39,217 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2018-09-15 21:00:39,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-15 21:00:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2018-09-15 21:00:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-15 21:00:39,222 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 21:00:39,222 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] [2018-09-15 21:00:39,223 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 21:00:39,223 INFO L82 PathProgramCache]: Analyzing trace with hash -504951029, now seen corresponding path program 1 times [2018-09-15 21:00:39,223 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 21:00:39,223 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 27 with the following transitions: [2018-09-15 21:00:39,224 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] [2018-09-15 21:00:39,228 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 21:00:39,229 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 21:00:39,343 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 21:00:39,343 INFO L272 AbstractInterpreter]: Visited 22 different actions 33 times. Merged at 7 different actions 8 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 18 variables. [2018-09-15 21:00:39,383 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 21:00:39,530 INFO L232 lantSequenceWeakener]: Weakened 24 states. On average, predicates are now at 94.68% of their original sizes. [2018-09-15 21:00:39,530 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 21:00:40,052 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 21:00:40,053 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 21:00:40,053 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 21:00:40,054 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 21:00:40,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 21:00:40,055 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 21:00:40,055 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-09-15 21:00:40,055 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand 12 states. [2018-09-15 21:00:41,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 21:00:41,125 INFO L93 Difference]: Finished difference Result 258 states and 367 transitions. [2018-09-15 21:00:41,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-15 21:00:41,126 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2018-09-15 21:00:41,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 21:00:41,133 INFO L225 Difference]: With dead ends: 258 [2018-09-15 21:00:41,133 INFO L226 Difference]: Without dead ends: 155 [2018-09-15 21:00:41,135 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2018-09-15 21:00:41,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-09-15 21:00:41,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 121. [2018-09-15 21:00:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-09-15 21:00:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 170 transitions. [2018-09-15 21:00:41,163 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 170 transitions. Word has length 26 [2018-09-15 21:00:41,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 21:00:41,164 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 170 transitions. [2018-09-15 21:00:41,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 21:00:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions. [2018-09-15 21:00:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-15 21:00:41,166 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 21:00:41,171 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] [2018-09-15 21:00:41,172 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 21:00:41,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1357701824, now seen corresponding path program 1 times [2018-09-15 21:00:41,172 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 21:00:41,172 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 28 with the following transitions: [2018-09-15 21:00:41,173 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] [2018-09-15 21:00:41,179 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 21:00:41,179 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 21:00:41,275 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 21:00:41,276 INFO L272 AbstractInterpreter]: Visited 23 different actions 35 times. Merged at 8 different actions 9 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 19 variables. [2018-09-15 21:00:41,313 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 21:00:41,444 INFO L232 lantSequenceWeakener]: Weakened 25 states. On average, predicates are now at 94.63% of their original sizes. [2018-09-15 21:00:41,444 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 21:00:41,714 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 21:00:41,714 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 21:00:41,714 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 21:00:41,715 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 21:00:41,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 21:00:41,715 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 21:00:41,715 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2018-09-15 21:00:41,716 INFO L87 Difference]: Start difference. First operand 121 states and 170 transitions. Second operand 13 states. [2018-09-15 21:00:42,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 21:00:42,229 INFO L93 Difference]: Finished difference Result 227 states and 313 transitions. [2018-09-15 21:00:42,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-15 21:00:42,230 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 27 [2018-09-15 21:00:42,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 21:00:42,232 INFO L225 Difference]: With dead ends: 227 [2018-09-15 21:00:42,232 INFO L226 Difference]: Without dead ends: 105 [2018-09-15 21:00:42,234 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2018-09-15 21:00:42,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-09-15 21:00:42,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 72. [2018-09-15 21:00:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-09-15 21:00:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2018-09-15 21:00:42,248 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 27 [2018-09-15 21:00:42,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 21:00:42,249 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2018-09-15 21:00:42,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 21:00:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2018-09-15 21:00:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-15 21:00:42,250 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 21:00:42,251 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 21:00:42,251 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 21:00:42,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1320221367, now seen corresponding path program 1 times [2018-09-15 21:00:42,251 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 21:00:42,252 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 31 with the following transitions: [2018-09-15 21:00:42,252 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [86], [89], [92], [95], [100], [168], [171], [187], [203], [206], [209], [212], [373], [376], [377], [378] [2018-09-15 21:00:42,254 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 21:00:42,254 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 21:00:42,358 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 21:00:42,358 INFO L272 AbstractInterpreter]: Visited 25 different actions 36 times. Merged at 7 different actions 8 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 20 variables. [2018-09-15 21:00:42,364 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 21:00:42,500 INFO L232 lantSequenceWeakener]: Weakened 28 states. On average, predicates are now at 93.64% of their original sizes. [2018-09-15 21:00:42,500 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 21:00:43,054 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 21:00:43,054 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 21:00:43,055 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-15 21:00:43,055 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 21:00:43,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-15 21:00:43,056 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-15 21:00:43,056 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-09-15 21:00:43,057 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand 16 states. [2018-09-15 21:00:44,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 21:00:44,245 INFO L93 Difference]: Finished difference Result 147 states and 192 transitions. [2018-09-15 21:00:44,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-15 21:00:44,245 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-09-15 21:00:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 21:00:44,247 INFO L225 Difference]: With dead ends: 147 [2018-09-15 21:00:44,247 INFO L226 Difference]: Without dead ends: 87 [2018-09-15 21:00:44,248 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2018-09-15 21:00:44,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-15 21:00:44,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 70. [2018-09-15 21:00:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-09-15 21:00:44,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2018-09-15 21:00:44,257 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 30 [2018-09-15 21:00:44,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 21:00:44,257 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2018-09-15 21:00:44,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-15 21:00:44,257 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-09-15 21:00:44,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-15 21:00:44,259 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 21:00:44,259 INFO L376 BasicCegarLoop]: trace histogram [3, 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] [2018-09-15 21:00:44,259 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 21:00:44,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1704565915, now seen corresponding path program 1 times [2018-09-15 21:00:44,259 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 21:00:44,260 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 34 with the following transitions: [2018-09-15 21:00:44,260 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [86], [89], [105], [108], [111], [116], [168], [268], [271], [287], [303], [318], [321], [324], [327], [373], [376], [377], [378] [2018-09-15 21:00:44,262 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 21:00:44,262 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 21:00:44,317 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 21:00:44,318 INFO L272 AbstractInterpreter]: Visited 28 different actions 40 times. Merged at 8 different actions 9 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 22 variables. [2018-09-15 21:00:44,324 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 21:00:44,437 INFO L232 lantSequenceWeakener]: Weakened 31 states. On average, predicates are now at 93.21% of their original sizes. [2018-09-15 21:00:44,438 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 21:00:44,673 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 21:00:44,673 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 21:00:44,674 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-15 21:00:44,674 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 21:00:44,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-15 21:00:44,675 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-15 21:00:44,675 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-09-15 21:00:44,675 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand 18 states. [2018-09-15 21:00:45,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 21:00:45,154 INFO L93 Difference]: Finished difference Result 123 states and 157 transitions. [2018-09-15 21:00:45,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-15 21:00:45,154 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 33 [2018-09-15 21:00:45,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 21:00:45,155 INFO L225 Difference]: With dead ends: 123 [2018-09-15 21:00:45,155 INFO L226 Difference]: Without dead ends: 0 [2018-09-15 21:00:45,158 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2018-09-15 21:00:45,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-15 21:00:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-15 21:00:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-15 21:00:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-15 21:00:45,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-09-15 21:00:45,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 21:00:45,159 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-15 21:00:45,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-15 21:00:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-15 21:00:45,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-15 21:00:45,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-15 21:00:45,401 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2018-09-15 21:00:46,448 WARN L178 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2018-09-15 21:00:46,481 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-15 21:00:46,482 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-15 21:00:46,482 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-15 21:00:46,482 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-15 21:00:46,482 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-15 21:00:46,482 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-15 21:00:46,482 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-15 21:00:46,483 INFO L426 ceAbstractionStarter]: For program point L316(lines 316 331) no Hoare annotation was computed. [2018-09-15 21:00:46,483 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 382) no Hoare annotation was computed. [2018-09-15 21:00:46,483 INFO L426 ceAbstractionStarter]: For program point L250(lines 250 261) no Hoare annotation was computed. [2018-09-15 21:00:46,483 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 13 390) no Hoare annotation was computed. [2018-09-15 21:00:46,483 INFO L426 ceAbstractionStarter]: For program point L184(lines 184 199) no Hoare annotation was computed. [2018-09-15 21:00:46,483 INFO L426 ceAbstractionStarter]: For program point L118(lines 118 129) no Hoare annotation was computed. [2018-09-15 21:00:46,483 INFO L426 ceAbstractionStarter]: For program point L366(lines 366 377) no Hoare annotation was computed. [2018-09-15 21:00:46,483 INFO L426 ceAbstractionStarter]: For program point L300(lines 300 315) no Hoare annotation was computed. [2018-09-15 21:00:46,483 INFO L426 ceAbstractionStarter]: For program point L234(lines 234 245) no Hoare annotation was computed. [2018-09-15 21:00:46,484 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2018-09-15 21:00:46,484 INFO L426 ceAbstractionStarter]: For program point L350(lines 350 361) no Hoare annotation was computed. [2018-09-15 21:00:46,484 INFO L426 ceAbstractionStarter]: For program point L284(lines 284 299) no Hoare annotation was computed. [2018-09-15 21:00:46,484 INFO L426 ceAbstractionStarter]: For program point L218(lines 218 229) no Hoare annotation was computed. [2018-09-15 21:00:46,484 INFO L426 ceAbstractionStarter]: For program point L86(lines 86 88) no Hoare annotation was computed. [2018-09-15 21:00:46,484 INFO L426 ceAbstractionStarter]: For program point L334(lines 334 345) no Hoare annotation was computed. [2018-09-15 21:00:46,484 INFO L426 ceAbstractionStarter]: For program point L202(lines 202 213) no Hoare annotation was computed. [2018-09-15 21:00:46,484 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 72) no Hoare annotation was computed. [2018-09-15 21:00:46,484 INFO L426 ceAbstractionStarter]: For program point L318(lines 318 329) no Hoare annotation was computed. [2018-09-15 21:00:46,485 INFO L426 ceAbstractionStarter]: For program point L186(lines 186 197) no Hoare annotation was computed. [2018-09-15 21:00:46,485 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 56) no Hoare annotation was computed. [2018-09-15 21:00:46,485 INFO L426 ceAbstractionStarter]: For program point L302(lines 302 313) no Hoare annotation was computed. [2018-09-15 21:00:46,485 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 13 390) no Hoare annotation was computed. [2018-09-15 21:00:46,485 INFO L426 ceAbstractionStarter]: For program point L170(lines 170 172) no Hoare annotation was computed. [2018-09-15 21:00:46,485 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 297) no Hoare annotation was computed. [2018-09-15 21:00:46,485 INFO L426 ceAbstractionStarter]: For program point L154(lines 154 156) no Hoare annotation was computed. [2018-09-15 21:00:46,486 INFO L422 ceAbstractionStarter]: At program point L22-3(lines 22 385) the Hoare annotation is: (and (<= 0 (+ main_~this_state~0 main_~q~0)) (<= (* 2 main_~q~0) 0) (<= (* 2 main_~this_state~0) 0)) [2018-09-15 21:00:46,486 INFO L426 ceAbstractionStarter]: For program point L22-4(lines 22 385) no Hoare annotation was computed. [2018-09-15 21:00:46,486 INFO L426 ceAbstractionStarter]: For program point L270(lines 270 272) no Hoare annotation was computed. [2018-09-15 21:00:46,486 INFO L426 ceAbstractionStarter]: For program point L138(lines 138 140) no Hoare annotation was computed. [2018-09-15 21:00:46,486 INFO L426 ceAbstractionStarter]: For program point L254(lines 254 256) no Hoare annotation was computed. [2018-09-15 21:00:46,486 INFO L426 ceAbstractionStarter]: For program point L122(lines 122 124) no Hoare annotation was computed. [2018-09-15 21:00:46,486 INFO L426 ceAbstractionStarter]: For program point L370(lines 370 372) no Hoare annotation was computed. [2018-09-15 21:00:46,486 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 240) no Hoare annotation was computed. [2018-09-15 21:00:46,486 INFO L426 ceAbstractionStarter]: For program point L106(lines 106 108) no Hoare annotation was computed. [2018-09-15 21:00:46,486 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 356) no Hoare annotation was computed. [2018-09-15 21:00:46,487 INFO L426 ceAbstractionStarter]: For program point L222(lines 222 224) no Hoare annotation was computed. [2018-09-15 21:00:46,487 INFO L422 ceAbstractionStarter]: At program point L371(lines 13 390) the Hoare annotation is: false [2018-09-15 21:00:46,487 INFO L426 ceAbstractionStarter]: For program point L338(lines 338 340) no Hoare annotation was computed. [2018-09-15 21:00:46,487 INFO L426 ceAbstractionStarter]: For program point L206(lines 206 208) no Hoare annotation was computed. [2018-09-15 21:00:46,487 INFO L426 ceAbstractionStarter]: For program point L322(lines 322 324) no Hoare annotation was computed. [2018-09-15 21:00:46,487 INFO L426 ceAbstractionStarter]: For program point L190(lines 190 192) no Hoare annotation was computed. [2018-09-15 21:00:46,487 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 308) no Hoare annotation was computed. [2018-09-15 21:00:46,487 INFO L426 ceAbstractionStarter]: For program point L290(lines 290 292) no Hoare annotation was computed. [2018-09-15 21:00:46,487 INFO L426 ceAbstractionStarter]: For program point L27(lines 27 46) no Hoare annotation was computed. [2018-09-15 21:00:46,488 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 389) no Hoare annotation was computed. [2018-09-15 21:00:46,488 INFO L426 ceAbstractionStarter]: For program point L28(lines 28 43) no Hoare annotation was computed. [2018-09-15 21:00:46,488 INFO L426 ceAbstractionStarter]: For program point L30(lines 30 41) no Hoare annotation was computed. [2018-09-15 21:00:46,488 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 13 390) the Hoare annotation is: true [2018-09-15 21:00:46,488 INFO L426 ceAbstractionStarter]: For program point L80(lines 80 95) no Hoare annotation was computed. [2018-09-15 21:00:46,488 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 98) no Hoare annotation was computed. [2018-09-15 21:00:46,488 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 79) no Hoare annotation was computed. [2018-09-15 21:00:46,488 INFO L426 ceAbstractionStarter]: For program point L48(lines 48 63) no Hoare annotation was computed. [2018-09-15 21:00:46,488 INFO L426 ceAbstractionStarter]: For program point L164(lines 164 179) no Hoare annotation was computed. [2018-09-15 21:00:46,488 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 163) no Hoare annotation was computed. [2018-09-15 21:00:46,489 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 93) no Hoare annotation was computed. [2018-09-15 21:00:46,489 INFO L426 ceAbstractionStarter]: For program point L264(lines 264 279) no Hoare annotation was computed. [2018-09-15 21:00:46,489 INFO L426 ceAbstractionStarter]: For program point L132(lines 132 147) no Hoare annotation was computed. [2018-09-15 21:00:46,489 INFO L426 ceAbstractionStarter]: For program point L99(lines 99 182) no Hoare annotation was computed. [2018-09-15 21:00:46,489 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 77) no Hoare annotation was computed. [2018-09-15 21:00:46,489 INFO L426 ceAbstractionStarter]: For program point L248(lines 248 263) no Hoare annotation was computed. [2018-09-15 21:00:46,489 INFO L426 ceAbstractionStarter]: For program point L116(lines 116 131) no Hoare annotation was computed. [2018-09-15 21:00:46,489 INFO L426 ceAbstractionStarter]: For program point L50(lines 50 61) no Hoare annotation was computed. [2018-09-15 21:00:46,489 INFO L426 ceAbstractionStarter]: For program point L364(lines 364 379) no Hoare annotation was computed. [2018-09-15 21:00:46,490 INFO L426 ceAbstractionStarter]: For program point L232(lines 232 247) no Hoare annotation was computed. [2018-09-15 21:00:46,490 INFO L426 ceAbstractionStarter]: For program point L166(lines 166 177) no Hoare annotation was computed. [2018-09-15 21:00:46,490 INFO L426 ceAbstractionStarter]: For program point L100(lines 100 115) no Hoare annotation was computed. [2018-09-15 21:00:46,490 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2018-09-15 21:00:46,490 INFO L422 ceAbstractionStarter]: At program point L381(lines 22 385) the Hoare annotation is: (let ((.cse0 (* 2 main_~this_state~0))) (let ((.cse2 (+ main_~this_state~0 main_~q~0)) (.cse3 (<= .cse0 0)) (.cse1 (* 2 main_~q~0))) (or (and (<= 4 .cse0) (<= 6 .cse1) (<= .cse2 5)) (and (<= 0 .cse2) (<= .cse1 0) .cse3) (and (and (<= 8 .cse1) (<= .cse2 7)) (<= 6 .cse0)) (and (and (<= main_~q~0 (+ main_~this_state~0 2)) .cse3) (<= 4 .cse1))))) [2018-09-15 21:00:46,490 INFO L426 ceAbstractionStarter]: For program point L348(lines 348 363) no Hoare annotation was computed. [2018-09-15 21:00:46,490 INFO L426 ceAbstractionStarter]: For program point L216(lines 216 231) no Hoare annotation was computed. [2018-09-15 21:00:46,491 INFO L426 ceAbstractionStarter]: For program point L183(lines 183 282) no Hoare annotation was computed. [2018-09-15 21:00:46,491 INFO L426 ceAbstractionStarter]: For program point L150(lines 150 161) no Hoare annotation was computed. [2018-09-15 21:00:46,491 INFO L426 ceAbstractionStarter]: For program point L332(lines 332 347) no Hoare annotation was computed. [2018-09-15 21:00:46,491 INFO L426 ceAbstractionStarter]: For program point L266(lines 266 277) no Hoare annotation was computed. [2018-09-15 21:00:46,491 INFO L426 ceAbstractionStarter]: For program point L200(lines 200 215) no Hoare annotation was computed. [2018-09-15 21:00:46,491 INFO L426 ceAbstractionStarter]: For program point L134(lines 134 145) no Hoare annotation was computed. [2018-09-15 21:00:46,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 09:00:46 BoogieIcfgContainer [2018-09-15 21:00:46,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 21:00:46,505 INFO L168 Benchmark]: Toolchain (without parser) took 11176.31 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 883.9 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -582.1 MB). Peak memory consumption was 301.8 MB. Max. memory is 7.1 GB. [2018-09-15 21:00:46,506 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 21:00:46,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.17 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 21:00:46,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 21:00:46,508 INFO L168 Benchmark]: Boogie Preprocessor took 69.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 21:00:46,509 INFO L168 Benchmark]: RCFGBuilder took 1024.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -789.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2018-09-15 21:00:46,510 INFO L168 Benchmark]: TraceAbstraction took 9664.56 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 129.0 MB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 196.8 MB). Peak memory consumption was 325.8 MB. Max. memory is 7.1 GB. [2018-09-15 21:00:46,516 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.17 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 42.18 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 69.64 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 1024.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -789.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9664.56 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 129.0 MB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 196.8 MB). Peak memory consumption was 325.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 389]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((4 <= 2 * this_state && 6 <= 2 * q) && this_state + q <= 5) || ((0 <= this_state + q && 2 * q <= 0) && 2 * this_state <= 0)) || ((8 <= 2 * q && this_state + q <= 7) && 6 <= 2 * this_state)) || ((q <= this_state + 2 && 2 * this_state <= 0) && 4 <= 2 * q) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (0 <= this_state + q && 2 * q <= 0) && 2 * this_state <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 1 error locations. SAFE Result, 9.5s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 510 SDtfs, 808 SDslu, 2307 SDs, 0 SdLazy, 1207 SolverSat, 329 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 183 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.8s AbstIntTime, 6 AbstIntIterations, 6 AbstIntStrong, 0.9602862114363008 AbsIntWeakeningRatio, 0.6126760563380281 AbsIntAvgWeakeningVarsNumRemoved, 208.5211267605634 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 98 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 14 NumberOfFragments, 88 HoareAnnotationTreeSize, 7 FomulaSimplifications, 1803 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1698 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_security_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_21-00-46-539.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_security_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_21-00-46-539.csv Received shutdown request...