java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 13:29:25,853 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 13:29:25,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 13:29:25,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 13:29:25,868 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 13:29:25,869 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 13:29:25,870 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 13:29:25,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 13:29:25,873 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 13:29:25,874 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 13:29:25,875 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 13:29:25,875 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 13:29:25,876 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 13:29:25,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 13:29:25,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 13:29:25,879 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 13:29:25,880 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 13:29:25,881 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 13:29:25,884 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 13:29:25,885 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 13:29:25,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 13:29:25,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 13:29:25,890 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 13:29:25,890 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 13:29:25,890 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 13:29:25,891 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 13:29:25,892 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 13:29:25,893 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 13:29:25,893 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 13:29:25,895 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 13:29:25,895 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 13:29:25,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 13:29:25,896 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 13:29:25,896 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 13:29:25,897 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 13:29:25,898 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 13:29:25,898 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-19 13:29:25,928 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 13:29:25,928 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 13:29:25,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 13:29:25,931 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 13:29:25,931 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 13:29:25,931 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 13:29:25,931 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 13:29:25,932 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 13:29:25,932 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 13:29:25,932 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 13:29:25,933 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 13:29:25,933 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 13:29:25,934 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 13:29:25,934 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 13:29:25,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 13:29:25,934 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 13:29:25,934 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 13:29:25,935 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 13:29:25,935 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 13:29:25,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 13:29:25,935 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 13:29:25,935 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 13:29:25,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 13:29:25,936 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 13:29:25,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 13:29:25,936 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 13:29:25,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 13:29:25,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 13:29:25,939 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 13:29:25,939 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 13:29:25,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 13:29:25,940 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 13:29:25,940 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 13:29:25,940 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 13:29:25,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 13:29:26,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 13:29:26,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 13:29:26,017 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 13:29:26,017 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 13:29:26,018 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c [2018-09-19 13:29:26,360 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37d18eb5c/f566f42d43ab4136a91073b077891955/FLAG527c99fa4 [2018-09-19 13:29:26,499 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 13:29:26,502 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c [2018-09-19 13:29:26,517 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37d18eb5c/f566f42d43ab4136a91073b077891955/FLAG527c99fa4 [2018-09-19 13:29:26,536 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37d18eb5c/f566f42d43ab4136a91073b077891955 [2018-09-19 13:29:26,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 13:29:26,550 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 13:29:26,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 13:29:26,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 13:29:26,561 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 13:29:26,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:26,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57095074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26, skipping insertion in model container [2018-09-19 13:29:26,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:26,575 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 13:29:26,865 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 13:29:26,889 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 13:29:26,929 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 13:29:26,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26 WrapperNode [2018-09-19 13:29:26,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 13:29:26,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 13:29:26,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 13:29:26,956 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 13:29:26,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:26,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:26,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 13:29:26,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 13:29:26,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 13:29:26,980 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 13:29:26,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:26,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:26,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:26,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:27,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:27,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:27,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (1/1) ... [2018-09-19 13:29:27,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 13:29:27,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 13:29:27,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 13:29:27,026 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 13:29:27,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 13:29:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 13:29:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 13:29:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 13:29:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 13:29:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 13:29:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 13:29:27,977 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 13:29:27,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:29:27 BoogieIcfgContainer [2018-09-19 13:29:27,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 13:29:27,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 13:29:27,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 13:29:27,982 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 13:29:27,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 01:29:26" (1/3) ... [2018-09-19 13:29:27,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcbc679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:29:27, skipping insertion in model container [2018-09-19 13:29:27,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:26" (2/3) ... [2018-09-19 13:29:27,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcbc679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:29:27, skipping insertion in model container [2018-09-19 13:29:27,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:29:27" (3/3) ... [2018-09-19 13:29:27,986 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_security_true-unreach-call_false-termination.c [2018-09-19 13:29:27,997 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 13:29:28,006 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 13:29:28,058 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 13:29:28,059 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 13:29:28,059 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 13:29:28,059 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 13:29:28,060 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 13:29:28,060 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 13:29:28,060 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 13:29:28,060 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 13:29:28,061 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 13:29:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-09-19 13:29:28,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-19 13:29:28,090 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:29:28,091 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 13:29:28,092 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:29:28,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1921368221, now seen corresponding path program 1 times [2018-09-19 13:29:28,101 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:29:28,102 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-19 13:29:28,106 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [27], [373], [376], [377], [378] [2018-09-19 13:29:28,152 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:29:28,153 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:29:28,262 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:29:28,264 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-09-19 13:29:28,298 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:29:28,367 INFO L232 lantSequenceWeakener]: Weakened 10 states. On average, predicates are now at 97.19% of their original sizes. [2018-09-19 13:29:28,368 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:29:28,463 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:29:28,466 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:29:28,466 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-19 13:29:28,467 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:29:28,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-19 13:29:28,480 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-19 13:29:28,481 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-19 13:29:28,483 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 4 states. [2018-09-19 13:29:28,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:29:28,748 INFO L93 Difference]: Finished difference Result 163 states and 304 transitions. [2018-09-19 13:29:28,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-19 13:29:28,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-09-19 13:29:28,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:29:28,761 INFO L225 Difference]: With dead ends: 163 [2018-09-19 13:29:28,761 INFO L226 Difference]: Without dead ends: 81 [2018-09-19 13:29:28,764 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 [2018-09-19 13:29:28,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-19 13:29:28,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-09-19 13:29:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-19 13:29:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 116 transitions. [2018-09-19 13:29:28,809 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 116 transitions. Word has length 13 [2018-09-19 13:29:28,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:29:28,810 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 116 transitions. [2018-09-19 13:29:28,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-19 13:29:28,810 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2018-09-19 13:29:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-19 13:29:28,811 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:29:28,812 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 13:29:28,812 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:29:28,812 INFO L82 PathProgramCache]: Analyzing trace with hash -304388480, now seen corresponding path program 1 times [2018-09-19 13:29:28,813 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:29:28,813 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-09-19 13:29:28,813 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [373], [376], [377], [378] [2018-09-19 13:29:28,815 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:29:28,815 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:29:28,831 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:29:28,831 INFO L272 AbstractInterpreter]: Visited 14 different actions 17 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 17 variables. [2018-09-19 13:29:28,863 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:29:28,901 INFO L232 lantSequenceWeakener]: Weakened 13 states. On average, predicates are now at 94.54% of their original sizes. [2018-09-19 13:29:28,902 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:29:28,995 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:29:28,996 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:29:28,996 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-19 13:29:28,996 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:29:28,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-19 13:29:28,997 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-19 13:29:28,997 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-19 13:29:28,998 INFO L87 Difference]: Start difference. First operand 81 states and 116 transitions. Second operand 7 states. [2018-09-19 13:29:29,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:29:29,386 INFO L93 Difference]: Finished difference Result 190 states and 274 transitions. [2018-09-19 13:29:29,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-19 13:29:29,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-09-19 13:29:29,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:29:29,389 INFO L225 Difference]: With dead ends: 190 [2018-09-19 13:29:29,390 INFO L226 Difference]: Without dead ends: 110 [2018-09-19 13:29:29,392 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-09-19 13:29:29,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-09-19 13:29:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 96. [2018-09-19 13:29:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-09-19 13:29:29,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2018-09-19 13:29:29,405 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 19 [2018-09-19 13:29:29,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:29:29,405 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2018-09-19 13:29:29,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-19 13:29:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2018-09-19 13:29:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-19 13:29:29,407 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:29:29,407 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 13:29:29,407 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:29:29,408 INFO L82 PathProgramCache]: Analyzing trace with hash -504951029, now seen corresponding path program 1 times [2018-09-19 13:29:29,408 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:29:29,408 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 27 with the following transitions: [2018-09-19 13:29:29,408 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [86], [89], [92], [95], [100], [373], [376], [377], [378] [2018-09-19 13:29:29,410 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:29:29,411 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:29:29,444 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 13:29:29,445 INFO L272 AbstractInterpreter]: Visited 23 different actions 38 times. Merged at 11 different actions 12 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 18 variables. [2018-09-19 13:29:29,466 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 13:29:29,484 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 13:29:29,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 01:29:29 BoogieIcfgContainer [2018-09-19 13:29:29,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 13:29:29,486 INFO L168 Benchmark]: Toolchain (without parser) took 2938.37 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -703.2 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2018-09-19 13:29:29,488 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 13:29:29,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 13:29:29,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.73 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 13:29:29,490 INFO L168 Benchmark]: Boogie Preprocessor took 45.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 13:29:29,490 INFO L168 Benchmark]: RCFGBuilder took 952.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2018-09-19 13:29:29,492 INFO L168 Benchmark]: TraceAbstraction took 1506.07 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 68.9 MB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. [2018-09-19 13:29:29,496 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 403.86 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 23.73 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 45.09 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 952.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1506.07 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 68.9 MB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 389]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L5] int m_initSign = 1; [L6] int m_initVerify = 2; [L7] int m_Signature = 3; [L8] int m_sign = 4; [L9] int m_verify = 5; [L10] int m_update = 6; [L15] int q = 0; [L16] int method_id; [L19] int this_state = 0; [L22] COND TRUE 1 [L27] COND TRUE q == 0 [L28] COND TRUE __VERIFIER_nondet_int() [L30] COND TRUE 1 [L32] method_id = 3 [L34] COND FALSE !(0) [L38] q = 2 [L40] this_state=0 [L22] COND TRUE 1 [L27] COND FALSE !(q == 0) [L47] COND FALSE !(q == 1) [L99] COND TRUE q == 2 [L100] COND TRUE __VERIFIER_nondet_int() [L102] COND TRUE 1 [L104] method_id = 1 [L106] COND FALSE !(0) [L110] q = 3 [L112] this_state=2 [L22] COND TRUE 1 [L27] COND FALSE !(q == 0) [L47] COND TRUE q == 1 [L48] COND TRUE __VERIFIER_nondet_int() [L50] COND TRUE 1 [L52] method_id = 4 [L54] COND TRUE (this_state == 2) [L389] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 1 error locations. UNKNOWN Result, 1.4s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 231 SDtfs, 89 SDslu, 498 SDs, 0 SdLazy, 112 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9741269841269842 AbsIntWeakeningRatio, 0.7666666666666667 AbsIntAvgWeakeningVarsNumRemoved, 8.266666666666667 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_security_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_13-29-29-509.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_security_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_13-29-29-509.csv Received shutdown request...