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_accelerometer_1_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 07:09:25,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 07:09:25,932 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 07:09:25,946 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 07:09:25,946 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 07:09:25,947 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 07:09:25,948 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 07:09:25,950 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 07:09:25,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 07:09:25,953 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 07:09:25,954 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 07:09:25,954 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 07:09:25,955 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 07:09:25,956 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 07:09:25,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 07:09:25,958 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 07:09:25,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 07:09:25,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 07:09:25,967 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 07:09:25,969 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 07:09:25,970 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 07:09:25,973 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 07:09:25,979 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 07:09:25,979 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 07:09:25,980 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 07:09:25,980 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 07:09:25,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 07:09:25,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 07:09:25,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 07:09:25,987 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 07:09:25,988 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 07:09:25,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 07:09:25,989 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 07:09:25,989 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 07:09:25,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 07:09:25,991 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 07:09:25,991 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 [2018-08-08 07:09:26,019 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 07:09:26,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 07:09:26,021 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 07:09:26,021 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 07:09:26,021 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 07:09:26,021 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 07:09:26,021 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 07:09:26,022 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 07:09:26,022 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 07:09:26,022 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 07:09:26,022 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 07:09:26,023 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 07:09:26,023 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 07:09:26,023 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 07:09:26,023 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 07:09:26,023 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 07:09:26,024 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 07:09:26,024 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 07:09:26,024 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 07:09:26,024 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 07:09:26,024 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 07:09:26,025 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 07:09:26,025 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 07:09:26,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 07:09:26,025 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 07:09:26,025 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 07:09:26,026 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 07:09:26,026 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 07:09:26,026 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 07:09:26,026 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 07:09:26,026 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 07:09:26,027 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 07:09:26,027 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 07:09:26,098 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 07:09:26,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 07:09:26,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 07:09:26,120 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 07:09:26,121 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 07:09:26,122 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-08-08 07:09:26,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9628dfcd3/bc61641e011b407d82ed3d867723e037/FLAGe775ea959 [2018-08-08 07:09:26,865 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 07:09:26,866 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-08-08 07:09:26,903 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9628dfcd3/bc61641e011b407d82ed3d867723e037/FLAGe775ea959 [2018-08-08 07:09:26,920 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9628dfcd3/bc61641e011b407d82ed3d867723e037 [2018-08-08 07:09:26,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 07:09:26,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 07:09:26,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 07:09:26,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 07:09:26,946 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 07:09:26,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 07:09:26" (1/1) ... [2018-08-08 07:09:26,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2a9f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:26, skipping insertion in model container [2018-08-08 07:09:26,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 07:09:26" (1/1) ... [2018-08-08 07:09:27,329 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 07:09:27,860 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 07:09:27,883 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 07:09:28,274 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 07:09:28,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28 WrapperNode [2018-08-08 07:09:28,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 07:09:28,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 07:09:28,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 07:09:28,370 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 07:09:28,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (1/1) ... [2018-08-08 07:09:28,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (1/1) ... [2018-08-08 07:09:28,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 07:09:28,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 07:09:28,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 07:09:28,456 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 07:09:28,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (1/1) ... [2018-08-08 07:09:28,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (1/1) ... [2018-08-08 07:09:28,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (1/1) ... [2018-08-08 07:09:28,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (1/1) ... [2018-08-08 07:09:28,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (1/1) ... [2018-08-08 07:09:28,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (1/1) ... [2018-08-08 07:09:28,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (1/1) ... [2018-08-08 07:09:28,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 07:09:28,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 07:09:28,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 07:09:28,873 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 07:09:28,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (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 [2018-08-08 07:09:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 07:09:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 07:09:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 07:09:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 07:09:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 07:09:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 07:09:33,395 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 07:09:33,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 07:09:33 BoogieIcfgContainer [2018-08-08 07:09:33,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 07:09:33,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 07:09:33,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 07:09:33,400 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 07:09:33,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 07:09:26" (1/3) ... [2018-08-08 07:09:33,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dfd46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 07:09:33, skipping insertion in model container [2018-08-08 07:09:33,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:09:28" (2/3) ... [2018-08-08 07:09:33,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dfd46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 07:09:33, skipping insertion in model container [2018-08-08 07:09:33,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 07:09:33" (3/3) ... [2018-08-08 07:09:33,405 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-08-08 07:09:33,419 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 07:09:33,433 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 07:09:33,480 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 07:09:33,481 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 07:09:33,481 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 07:09:33,481 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 07:09:33,481 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 07:09:33,481 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 07:09:33,481 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 07:09:33,482 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 07:09:33,482 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 07:09:33,510 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states. [2018-08-08 07:09:33,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-08-08 07:09:33,518 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 07:09:33,519 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 07:09:33,520 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 07:09:33,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1668338331, now seen corresponding path program 1 times [2018-08-08 07:09:33,528 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 07:09:33,529 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-08-08 07:09:33,532 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [27], [1220], [1223], [1224], [1225] [2018-08-08 07:09:33,596 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 07:09:33,596 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 07:09:34,408 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 07:09:34,410 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 41 variables. [2018-08-08 07:09:34,426 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 07:09:34,747 INFO L232 lantSequenceWeakener]: Weakened 11 states. On average, predicates are now at 98.78% of their original sizes. [2018-08-08 07:09:34,747 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 07:09:34,826 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 07:09:34,827 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 07:09:34,828 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-08-08 07:09:34,828 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 07:09:34,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-08-08 07:09:34,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-08-08 07:09:34,841 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-08-08 07:09:34,843 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 4 states. [2018-08-08 07:09:35,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 07:09:35,949 INFO L93 Difference]: Finished difference Result 472 states and 922 transitions. [2018-08-08 07:09:35,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-08-08 07:09:35,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-08-08 07:09:35,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 07:09:35,967 INFO L225 Difference]: With dead ends: 472 [2018-08-08 07:09:35,968 INFO L226 Difference]: Without dead ends: 231 [2018-08-08 07:09:35,973 INFO L603 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 [2018-08-08 07:09:35,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-08-08 07:09:36,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-08-08 07:09:36,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-08-08 07:09:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 400 transitions. [2018-08-08 07:09:36,040 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 400 transitions. Word has length 13 [2018-08-08 07:09:36,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 07:09:36,041 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 400 transitions. [2018-08-08 07:09:36,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-08-08 07:09:36,041 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 400 transitions. [2018-08-08 07:09:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-08-08 07:09:36,042 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 07:09:36,043 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 07:09:36,043 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 07:09:36,043 INFO L82 PathProgramCache]: Analyzing trace with hash 52853054, now seen corresponding path program 1 times [2018-08-08 07:09:36,043 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 07:09:36,044 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-08-08 07:09:36,044 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [1220], [1223], [1224], [1225] [2018-08-08 07:09:36,047 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 07:09:36,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 07:09:37,150 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 07:09:37,150 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 42 variables. [2018-08-08 07:09:37,191 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 07:09:37,666 INFO L232 lantSequenceWeakener]: Weakened 14 states. On average, predicates are now at 97.84% of their original sizes. [2018-08-08 07:09:37,666 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 07:09:37,912 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 07:09:37,912 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 07:09:37,913 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-08-08 07:09:37,913 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 07:09:37,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-08-08 07:09:37,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-08-08 07:09:37,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-08-08 07:09:37,918 INFO L87 Difference]: Start difference. First operand 231 states and 400 transitions. Second operand 7 states. [2018-08-08 07:09:39,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 07:09:39,203 INFO L93 Difference]: Finished difference Result 507 states and 869 transitions. [2018-08-08 07:09:39,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-08-08 07:09:39,204 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-08-08 07:09:39,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 07:09:39,208 INFO L225 Difference]: With dead ends: 507 [2018-08-08 07:09:39,208 INFO L226 Difference]: Without dead ends: 279 [2018-08-08 07:09:39,211 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-08-08 07:09:39,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-08-08 07:09:39,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 263. [2018-08-08 07:09:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-08-08 07:09:39,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 448 transitions. [2018-08-08 07:09:39,234 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 448 transitions. Word has length 19 [2018-08-08 07:09:39,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 07:09:39,234 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 448 transitions. [2018-08-08 07:09:39,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-08-08 07:09:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 448 transitions. [2018-08-08 07:09:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-08-08 07:09:39,236 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 07:09:39,236 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 07:09:39,236 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 07:09:39,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1829095765, now seen corresponding path program 1 times [2018-08-08 07:09:39,237 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 07:09:39,237 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 24 with the following transitions: [2018-08-08 07:09:39,237 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [116], [119], [135], [151], [166], [169], [172], [175], [1220], [1223], [1224], [1225] [2018-08-08 07:09:39,239 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 07:09:39,239 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 07:09:40,690 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 07:09:40,690 INFO L272 AbstractInterpreter]: Visited 21 different actions 24 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 45 variables. [2018-08-08 07:09:40,728 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 07:09:41,234 INFO L232 lantSequenceWeakener]: Weakened 21 states. On average, predicates are now at 96.91% of their original sizes. [2018-08-08 07:09:41,234 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 07:09:41,663 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 07:09:41,663 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 07:09:41,663 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 07:09:41,664 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 07:09:41,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 07:09:41,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 07:09:41,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-08-08 07:09:41,665 INFO L87 Difference]: Start difference. First operand 263 states and 448 transitions. Second operand 12 states. [2018-08-08 07:09:43,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 07:09:43,789 INFO L93 Difference]: Finished difference Result 520 states and 889 transitions. [2018-08-08 07:09:43,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-08-08 07:09:43,791 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-08-08 07:09:43,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 07:09:43,795 INFO L225 Difference]: With dead ends: 520 [2018-08-08 07:09:43,795 INFO L226 Difference]: Without dead ends: 263 [2018-08-08 07:09:43,797 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-08-08 07:09:43,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-08-08 07:09:43,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2018-08-08 07:09:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-08-08 07:09:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 436 transitions. [2018-08-08 07:09:43,815 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 436 transitions. Word has length 23 [2018-08-08 07:09:43,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 07:09:43,816 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 436 transitions. [2018-08-08 07:09:43,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 07:09:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 436 transitions. [2018-08-08 07:09:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-08-08 07:09:43,817 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 07:09:43,817 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-08-08 07:09:43,818 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 07:09:43,818 INFO L82 PathProgramCache]: Analyzing trace with hash -939444677, now seen corresponding path program 1 times [2018-08-08 07:09:43,818 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 07:09:43,818 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 27 with the following transitions: [2018-08-08 07:09:43,818 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [116], [119], [135], [151], [166], [182], [198], [213], [216], [219], [222], [1220], [1223], [1224], [1225] [2018-08-08 07:09:43,822 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 07:09:43,822 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 07:09:45,175 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 07:09:45,176 INFO L272 AbstractInterpreter]: Visited 24 different actions 27 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 48 variables. [2018-08-08 07:09:45,214 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 07:09:45,935 INFO L232 lantSequenceWeakener]: Weakened 24 states. On average, predicates are now at 93.69% of their original sizes. [2018-08-08 07:09:45,936 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 07:09:46,775 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 07:09:46,776 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 07:09:46,776 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-08-08 07:09:46,776 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 07:09:46,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-08-08 07:09:46,777 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-08-08 07:09:46,777 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2018-08-08 07:09:46,778 INFO L87 Difference]: Start difference. First operand 261 states and 436 transitions. Second operand 16 states. [2018-08-08 07:09:53,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 07:09:53,428 INFO L93 Difference]: Finished difference Result 750 states and 1261 transitions. [2018-08-08 07:09:53,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-08-08 07:09:53,430 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2018-08-08 07:09:53,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 07:09:53,433 INFO L225 Difference]: With dead ends: 750 [2018-08-08 07:09:53,434 INFO L226 Difference]: Without dead ends: 490 [2018-08-08 07:09:53,435 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 37 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2018-08-08 07:09:53,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-08-08 07:09:53,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 457. [2018-08-08 07:09:53,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-08-08 07:09:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 717 transitions. [2018-08-08 07:09:53,468 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 717 transitions. Word has length 26 [2018-08-08 07:09:53,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 07:09:53,468 INFO L480 AbstractCegarLoop]: Abstraction has 457 states and 717 transitions. [2018-08-08 07:09:53,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-08-08 07:09:53,469 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 717 transitions. [2018-08-08 07:09:53,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-08-08 07:09:53,470 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 07:09:53,471 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, 1, 1, 1, 1, 1, 1] [2018-08-08 07:09:53,471 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 07:09:53,471 INFO L82 PathProgramCache]: Analyzing trace with hash 2111742031, now seen corresponding path program 1 times [2018-08-08 07:09:53,471 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 07:09:53,471 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 34 with the following transitions: [2018-08-08 07:09:53,472 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [116], [119], [135], [151], [166], [182], [198], [213], [228], [231], [234], [239], [1220], [1223], [1224], [1225] [2018-08-08 07:09:53,474 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 07:09:53,474 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 07:09:54,793 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 07:09:56,154 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 07:09:56,154 INFO L272 AbstractInterpreter]: Visited 26 different actions 44 times. Merged at 14 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 50 variables. [2018-08-08 07:09:56,191 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 07:09:56,980 INFO L232 lantSequenceWeakener]: Weakened 28 states. On average, predicates are now at 84.92% of their original sizes. [2018-08-08 07:09:56,980 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 07:09:59,311 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 07:09:59,312 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 07:09:59,312 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-08-08 07:09:59,312 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 07:09:59,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-08-08 07:09:59,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-08-08 07:09:59,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2018-08-08 07:09:59,314 INFO L87 Difference]: Start difference. First operand 457 states and 717 transitions. Second operand 20 states. Received shutdown request... [2018-08-08 07:14:08,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-08-08 07:14:08,172 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 07:14:08,177 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 07:14:08,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 07:14:08 BoogieIcfgContainer [2018-08-08 07:14:08,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 07:14:08,178 INFO L168 Benchmark]: Toolchain (without parser) took 281242.65 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-08-08 07:14:08,180 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. [2018-08-08 07:14:08,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1430.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 7.1 GB. [2018-08-08 07:14:08,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.58 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 07:14:08,182 INFO L168 Benchmark]: Boogie Preprocessor took 416.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 782.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -978.0 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. [2018-08-08 07:14:08,183 INFO L168 Benchmark]: RCFGBuilder took 4523.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 219.2 MB). Peak memory consumption was 219.2 MB. Max. memory is 7.1 GB. [2018-08-08 07:14:08,184 INFO L168 Benchmark]: TraceAbstraction took 274781.05 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 2.5 GB in the end (delta: -490.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-08-08 07:14:08,188 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 1430.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 85.58 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 416.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 782.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -978.0 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4523.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 219.2 MB). Peak memory consumption was 219.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 274781.05 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 2.5 GB in the end (delta: -490.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1254]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1254). Cancelled while BasicCegarLoop was constructing difference of abstraction (457states) and FLOYD_HOARE automaton (currently 24 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (1780 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 242 locations, 1 error locations. TIMEOUT Result, 274.7s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 260.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1964 SDtfs, 4228 SDslu, 12276 SDs, 0 SdLazy, 4959 SolverSat, 762 SolverUnsat, 119 SolverUnknown, 0 SolverNotchecked, 255.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 152 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=457occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.6s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.94552869503138 AbsIntWeakeningRatio, 1.871559633027523 AbsIntAvgWeakeningVarsNumRemoved, 1107.5045871559632 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 51 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_accelerometer_1_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_07-14-08-201.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_accelerometer_1_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_07-14-08-201.csv Completed graceful shutdown