java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label42_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 03:35:37,971 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 03:35:37,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 03:35:37,985 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 03:35:37,986 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 03:35:37,987 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 03:35:37,988 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 03:35:37,990 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 03:35:37,992 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 03:35:37,993 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 03:35:37,994 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 03:35:37,994 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 03:35:37,995 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 03:35:37,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 03:35:37,997 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 03:35:37,998 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 03:35:37,999 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 03:35:38,001 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 03:35:38,003 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 03:35:38,005 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 03:35:38,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 03:35:38,007 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 03:35:38,010 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 03:35:38,010 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 03:35:38,011 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 03:35:38,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 03:35:38,013 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 03:35:38,014 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 03:35:38,015 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 03:35:38,016 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 03:35:38,016 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 03:35:38,017 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 03:35:38,017 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 03:35:38,017 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 03:35:38,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 03:35:38,022 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 03:35:38,022 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 03:35:38,045 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 03:35:38,045 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 03:35:38,046 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 03:35:38,047 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 03:35:38,047 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 03:35:38,047 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 03:35:38,047 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 03:35:38,047 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 03:35:38,048 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 03:35:38,048 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 03:35:38,048 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 03:35:38,048 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 03:35:38,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 03:35:38,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 03:35:38,049 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 03:35:38,049 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 03:35:38,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 03:35:38,050 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 03:35:38,050 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 03:35:38,050 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 03:35:38,050 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 03:35:38,051 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 03:35:38,051 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 03:35:38,051 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 03:35:38,051 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 03:35:38,051 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 03:35:38,052 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 03:35:38,052 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 03:35:38,052 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 03:35:38,052 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 03:35:38,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 03:35:38,053 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 03:35:38,053 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 03:35:38,053 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 03:35:38,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 03:35:38,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 03:35:38,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 03:35:38,124 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 03:35:38,124 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 03:35:38,126 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label42_true-unreach-call.c [2018-10-27 03:35:38,202 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7d34ce95f/e80960f8433b4678b424a47434dde2ee/FLAG826f79227 [2018-10-27 03:35:38,868 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 03:35:38,869 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label42_true-unreach-call.c [2018-10-27 03:35:38,891 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7d34ce95f/e80960f8433b4678b424a47434dde2ee/FLAG826f79227 [2018-10-27 03:35:38,910 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7d34ce95f/e80960f8433b4678b424a47434dde2ee [2018-10-27 03:35:38,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 03:35:38,925 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 03:35:38,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 03:35:38,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 03:35:38,931 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 03:35:38,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:35:38" (1/1) ... [2018-10-27 03:35:38,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379aca2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:38, skipping insertion in model container [2018-10-27 03:35:38,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:35:38" (1/1) ... [2018-10-27 03:35:38,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 03:35:39,083 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 03:35:40,073 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 03:35:40,078 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 03:35:40,500 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 03:35:40,524 INFO L193 MainTranslator]: Completed translation [2018-10-27 03:35:40,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40 WrapperNode [2018-10-27 03:35:40,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 03:35:40,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 03:35:40,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 03:35:40,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 03:35:40,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (1/1) ... [2018-10-27 03:35:40,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (1/1) ... [2018-10-27 03:35:41,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 03:35:41,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 03:35:41,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 03:35:41,017 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 03:35:41,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (1/1) ... [2018-10-27 03:35:41,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (1/1) ... [2018-10-27 03:35:41,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (1/1) ... [2018-10-27 03:35:41,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (1/1) ... [2018-10-27 03:35:41,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (1/1) ... [2018-10-27 03:35:41,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (1/1) ... [2018-10-27 03:35:41,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (1/1) ... [2018-10-27 03:35:41,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 03:35:41,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 03:35:41,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 03:35:41,242 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 03:35:41,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 03:35:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 03:35:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 03:35:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 03:35:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 03:35:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 03:35:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 03:35:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 03:35:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 03:35:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 03:35:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 03:35:52,819 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 03:35:52,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:35:52 BoogieIcfgContainer [2018-10-27 03:35:52,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 03:35:52,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 03:35:52,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 03:35:52,826 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 03:35:52,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:35:38" (1/3) ... [2018-10-27 03:35:52,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46dc5ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:35:52, skipping insertion in model container [2018-10-27 03:35:52,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:40" (2/3) ... [2018-10-27 03:35:52,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46dc5ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:35:52, skipping insertion in model container [2018-10-27 03:35:52,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:35:52" (3/3) ... [2018-10-27 03:35:52,830 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label42_true-unreach-call.c [2018-10-27 03:35:52,841 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 03:35:52,854 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 03:35:52,874 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 03:35:52,921 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 03:35:52,921 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 03:35:52,922 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 03:35:52,922 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 03:35:52,922 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 03:35:52,922 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 03:35:52,922 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 03:35:52,923 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 03:35:52,960 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-27 03:35:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 03:35:52,969 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:35:52,971 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:35:52,973 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:35:52,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:35:52,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1611453546, now seen corresponding path program 1 times [2018-10-27 03:35:52,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:35:53,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:35:53,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:35:53,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:35:53,047 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:35:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:35:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:35:53,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:35:53,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 03:35:53,555 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:35:53,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 03:35:53,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 03:35:53,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 03:35:53,581 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-27 03:36:10,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:36:10,220 INFO L93 Difference]: Finished difference Result 2162 states and 4007 transitions. [2018-10-27 03:36:10,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 03:36:10,221 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-10-27 03:36:10,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:36:10,256 INFO L225 Difference]: With dead ends: 2162 [2018-10-27 03:36:10,256 INFO L226 Difference]: Without dead ends: 1552 [2018-10-27 03:36:10,270 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 03:36:10,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2018-10-27 03:36:10,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1525. [2018-10-27 03:36:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2018-10-27 03:36:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2696 transitions. [2018-10-27 03:36:10,436 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2696 transitions. Word has length 47 [2018-10-27 03:36:10,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:36:10,437 INFO L481 AbstractCegarLoop]: Abstraction has 1525 states and 2696 transitions. [2018-10-27 03:36:10,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 03:36:10,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2696 transitions. [2018-10-27 03:36:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-27 03:36:10,446 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:36:10,447 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:36:10,447 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:36:10,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:36:10,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1100502633, now seen corresponding path program 1 times [2018-10-27 03:36:10,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:36:10,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:36:10,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:36:10,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:36:10,449 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:36:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:36:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:36:10,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:36:10,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 03:36:10,786 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:36:10,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:36:10,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:36:10,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 03:36:10,789 INFO L87 Difference]: Start difference. First operand 1525 states and 2696 transitions. Second operand 6 states. [2018-10-27 03:36:28,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:36:28,207 INFO L93 Difference]: Finished difference Result 5786 states and 10682 transitions. [2018-10-27 03:36:28,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 03:36:28,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-10-27 03:36:28,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:36:28,247 INFO L225 Difference]: With dead ends: 5786 [2018-10-27 03:36:28,247 INFO L226 Difference]: Without dead ends: 4267 [2018-10-27 03:36:28,268 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-27 03:36:28,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2018-10-27 03:36:28,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 4243. [2018-10-27 03:36:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4243 states. [2018-10-27 03:36:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 6361 transitions. [2018-10-27 03:36:28,430 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 6361 transitions. Word has length 126 [2018-10-27 03:36:28,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:36:28,432 INFO L481 AbstractCegarLoop]: Abstraction has 4243 states and 6361 transitions. [2018-10-27 03:36:28,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 03:36:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 6361 transitions. [2018-10-27 03:36:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 03:36:28,443 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:36:28,443 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:36:28,443 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:36:28,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:36:28,444 INFO L82 PathProgramCache]: Analyzing trace with hash 427806551, now seen corresponding path program 1 times [2018-10-27 03:36:28,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:36:28,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:36:28,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:36:28,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:36:28,446 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:36:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:36:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:36:28,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:36:28,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 03:36:28,700 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:36:28,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:36:28,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:36:28,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 03:36:28,701 INFO L87 Difference]: Start difference. First operand 4243 states and 6361 transitions. Second operand 6 states. [2018-10-27 03:36:34,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:36:34,315 INFO L93 Difference]: Finished difference Result 12712 states and 20706 transitions. [2018-10-27 03:36:34,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 03:36:34,316 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-10-27 03:36:34,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:36:34,392 INFO L225 Difference]: With dead ends: 12712 [2018-10-27 03:36:34,392 INFO L226 Difference]: Without dead ends: 8475 [2018-10-27 03:36:34,423 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 03:36:34,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8475 states. [2018-10-27 03:36:34,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8475 to 8390. [2018-10-27 03:36:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8390 states. [2018-10-27 03:36:34,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8390 states to 8390 states and 12584 transitions. [2018-10-27 03:36:34,722 INFO L78 Accepts]: Start accepts. Automaton has 8390 states and 12584 transitions. Word has length 127 [2018-10-27 03:36:34,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:36:34,723 INFO L481 AbstractCegarLoop]: Abstraction has 8390 states and 12584 transitions. [2018-10-27 03:36:34,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 03:36:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 8390 states and 12584 transitions. [2018-10-27 03:36:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 03:36:34,729 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:36:34,729 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:36:34,729 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:36:34,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:36:34,730 INFO L82 PathProgramCache]: Analyzing trace with hash 126489534, now seen corresponding path program 1 times [2018-10-27 03:36:34,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:36:34,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:36:34,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:36:34,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:36:34,732 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:36:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:36:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 81 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 03:36:35,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:36:35,209 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 03:36:35,210 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-10-27 03:36:35,212 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [986], [988], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1228], [1232], [1236], [1239], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-27 03:36:35,280 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 03:36:35,281 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 03:36:36,635 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 03:36:59,862 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 03:36:59,863 INFO L272 AbstractInterpreter]: Visited 87 different actions 573 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-27 03:36:59,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:36:59,878 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 03:37:02,853 INFO L227 lantSequenceWeakener]: Weakened 20 states. On average, predicates are now at 77.71% of their original sizes. [2018-10-27 03:37:02,853 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 03:38:02,966 INFO L415 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-10-27 03:38:02,967 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 03:38:02,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 03:38:02,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [6] total 28 [2018-10-27 03:38:02,968 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:38:02,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-27 03:38:02,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-27 03:38:02,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2018-10-27 03:38:02,970 INFO L87 Difference]: Start difference. First operand 8390 states and 12584 transitions. Second operand 24 states. Received shutdown request... [2018-10-27 03:39:40,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 03:39:40,905 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 03:39:40,911 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 03:39:40,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:39:40 BoogieIcfgContainer [2018-10-27 03:39:40,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 03:39:40,912 INFO L168 Benchmark]: Toolchain (without parser) took 241989.21 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-27 03:39:40,914 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-10-27 03:39:40,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1599.27 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: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. [2018-10-27 03:39:40,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 489.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 772.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -923.8 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2018-10-27 03:39:40,916 INFO L168 Benchmark]: Boogie Preprocessor took 225.27 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2018-10-27 03:39:40,917 INFO L168 Benchmark]: RCFGBuilder took 11579.12 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 469.8 MB). Peak memory consumption was 469.8 MB. Max. memory is 7.1 GB. [2018-10-27 03:39:40,919 INFO L168 Benchmark]: TraceAbstraction took 228089.28 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 2.7 GB in the end (delta: -1.0 GB). Peak memory consumption was 865.6 MB. Max. memory is 7.1 GB. [2018-10-27 03:39:40,923 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1599.27 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: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 489.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 772.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -923.8 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 225.27 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11579.12 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 469.8 MB). Peak memory consumption was 469.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228089.28 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 2.7 GB in the end (delta: -1.0 GB). Peak memory consumption was 865.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 128). Cancelled while BasicCegarLoop was constructing difference of abstraction (8390states) and FLOYD_HOARE automaton (currently 18 states, 24 states before enhancement),while ReachableStatesComputation was computing reachable states (336 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 228.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 137.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 682 SDtfs, 6502 SDslu, 824 SDs, 0 SdLazy, 9354 SolverSat, 3137 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 69.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 237 GetRequests, 153 SyntacticMatches, 35 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 66.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8390occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 24.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9943692307692307 AbsIntWeakeningRatio, 0.135 AbsIntAvgWeakeningVarsNumRemoved, 799.08 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 136 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 497 ConstructedInterpolants, 0 QuantifiedInterpolants, 254789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 230/235 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown