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_label30_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 22:48:44,971 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 22:48:44,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 22:48:44,990 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 22:48:44,991 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 22:48:44,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 22:48:44,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 22:48:44,995 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 22:48:44,997 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 22:48:44,997 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 22:48:44,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 22:48:44,999 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 22:48:44,999 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 22:48:45,000 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 22:48:45,005 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 22:48:45,006 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 22:48:45,007 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 22:48:45,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 22:48:45,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 22:48:45,014 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 22:48:45,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 22:48:45,017 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 22:48:45,020 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 22:48:45,022 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 22:48:45,022 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 22:48:45,023 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 22:48:45,024 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 22:48:45,027 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 22:48:45,027 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 22:48:45,028 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 22:48:45,029 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 22:48:45,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 22:48:45,029 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 22:48:45,030 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 22:48:45,032 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 22:48:45,032 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 22:48:45,034 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 [2018-10-23 22:48:45,054 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 22:48:45,054 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 22:48:45,055 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 22:48:45,056 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 22:48:45,056 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 22:48:45,056 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 22:48:45,056 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 22:48:45,056 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 22:48:45,057 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 22:48:45,057 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 22:48:45,057 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 22:48:45,057 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 22:48:45,058 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 22:48:45,058 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 22:48:45,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 22:48:45,058 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 22:48:45,059 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 22:48:45,059 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 22:48:45,059 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 22:48:45,059 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 22:48:45,059 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 22:48:45,060 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 22:48:45,060 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 22:48:45,060 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 22:48:45,060 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 22:48:45,060 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 22:48:45,061 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 22:48:45,061 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 22:48:45,061 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 22:48:45,061 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 22:48:45,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 22:48:45,062 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 22:48:45,062 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 22:48:45,062 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 22:48:45,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 22:48:45,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 22:48:45,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 22:48:45,136 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 22:48:45,136 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 22:48:45,137 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label30_false-unreach-call.c [2018-10-23 22:48:45,206 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/eb2f38a8c/956f30a2b0954b499d41bd0920a6860d/FLAGda94b93c1 [2018-10-23 22:48:45,883 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 22:48:45,886 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label30_false-unreach-call.c [2018-10-23 22:48:45,915 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/eb2f38a8c/956f30a2b0954b499d41bd0920a6860d/FLAGda94b93c1 [2018-10-23 22:48:45,937 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/eb2f38a8c/956f30a2b0954b499d41bd0920a6860d [2018-10-23 22:48:45,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 22:48:45,951 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 22:48:45,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 22:48:45,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 22:48:45,956 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 22:48:45,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:48:45" (1/1) ... [2018-10-23 22:48:45,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24fbe661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:45, skipping insertion in model container [2018-10-23 22:48:45,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:48:45" (1/1) ... [2018-10-23 22:48:45,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 22:48:46,091 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 22:48:47,116 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:48:47,120 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 22:48:47,528 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:48:47,550 INFO L193 MainTranslator]: Completed translation [2018-10-23 22:48:47,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47 WrapperNode [2018-10-23 22:48:47,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 22:48:47,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 22:48:47,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 22:48:47,552 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 22:48:47,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (1/1) ... [2018-10-23 22:48:47,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (1/1) ... [2018-10-23 22:48:48,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 22:48:48,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 22:48:48,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 22:48:48,079 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 22:48:48,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (1/1) ... [2018-10-23 22:48:48,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (1/1) ... [2018-10-23 22:48:48,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (1/1) ... [2018-10-23 22:48:48,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (1/1) ... [2018-10-23 22:48:48,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (1/1) ... [2018-10-23 22:48:48,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (1/1) ... [2018-10-23 22:48:48,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (1/1) ... [2018-10-23 22:48:48,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 22:48:48,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 22:48:48,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 22:48:48,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 22:48:48,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (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 [2018-10-23 22:48:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 22:48:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 22:48:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-23 22:48:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-23 22:48:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 22:48:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 22:48:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 22:48:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 22:48:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 22:48:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 22:49:00,997 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 22:49:00,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:49:00 BoogieIcfgContainer [2018-10-23 22:49:01,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 22:49:01,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 22:49:01,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 22:49:01,007 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 22:49:01,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:48:45" (1/3) ... [2018-10-23 22:49:01,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cde8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:49:01, skipping insertion in model container [2018-10-23 22:49:01,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:48:47" (2/3) ... [2018-10-23 22:49:01,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cde8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:49:01, skipping insertion in model container [2018-10-23 22:49:01,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:49:00" (3/3) ... [2018-10-23 22:49:01,013 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label30_false-unreach-call.c [2018-10-23 22:49:01,025 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 22:49:01,039 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 22:49:01,060 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 22:49:01,111 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 22:49:01,111 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 22:49:01,111 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 22:49:01,111 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 22:49:01,112 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 22:49:01,112 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 22:49:01,112 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 22:49:01,112 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 22:49:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-23 22:49:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-23 22:49:01,159 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:49:01,161 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] [2018-10-23 22:49:01,163 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:49:01,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:49:01,171 INFO L82 PathProgramCache]: Analyzing trace with hash 2090317142, now seen corresponding path program 1 times [2018-10-23 22:49:01,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:49:01,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:49:01,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:49:01,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:49:01,244 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:49:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:49:01,719 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-23 22:49:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:49:01,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:49:01,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 22:49:01,742 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:49:01,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 22:49:01,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 22:49:01,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:49:01,769 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-23 22:49:14,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:49:14,566 INFO L93 Difference]: Finished difference Result 2162 states and 4007 transitions. [2018-10-23 22:49:14,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 22:49:14,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-10-23 22:49:14,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:49:14,607 INFO L225 Difference]: With dead ends: 2162 [2018-10-23 22:49:14,608 INFO L226 Difference]: Without dead ends: 1552 [2018-10-23 22:49:14,619 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 [2018-10-23 22:49:14,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2018-10-23 22:49:14,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1525. [2018-10-23 22:49:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2018-10-23 22:49:14,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2696 transitions. [2018-10-23 22:49:14,776 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2696 transitions. Word has length 31 [2018-10-23 22:49:14,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:49:14,777 INFO L481 AbstractCegarLoop]: Abstraction has 1525 states and 2696 transitions. [2018-10-23 22:49:14,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 22:49:14,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2696 transitions. [2018-10-23 22:49:14,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-23 22:49:14,790 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:49:14,793 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:49:14,793 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:49:14,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:49:14,794 INFO L82 PathProgramCache]: Analyzing trace with hash -683023063, now seen corresponding path program 1 times [2018-10-23 22:49:14,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:49:14,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:49:14,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:49:14,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:49:14,796 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:49:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:49:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:49:15,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:49:15,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:49:15,415 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:49:15,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:49:15,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:49:15,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:49:15,421 INFO L87 Difference]: Start difference. First operand 1525 states and 2696 transitions. Second operand 6 states. [2018-10-23 22:49:41,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:49:41,095 INFO L93 Difference]: Finished difference Result 5787 states and 10682 transitions. [2018-10-23 22:49:41,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:49:41,096 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-10-23 22:49:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:49:41,130 INFO L225 Difference]: With dead ends: 5787 [2018-10-23 22:49:41,130 INFO L226 Difference]: Without dead ends: 4268 [2018-10-23 22:49:41,150 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-23 22:49:41,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4268 states. [2018-10-23 22:49:41,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4268 to 4241. [2018-10-23 22:49:41,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4241 states. [2018-10-23 22:49:41,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 4241 states and 6359 transitions. [2018-10-23 22:49:41,294 INFO L78 Accepts]: Start accepts. Automaton has 4241 states and 6359 transitions. Word has length 110 [2018-10-23 22:49:41,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:49:41,295 INFO L481 AbstractCegarLoop]: Abstraction has 4241 states and 6359 transitions. [2018-10-23 22:49:41,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:49:41,295 INFO L276 IsEmpty]: Start isEmpty. Operand 4241 states and 6359 transitions. [2018-10-23 22:49:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-23 22:49:41,306 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:49:41,307 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:49:41,307 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:49:41,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:49:41,307 INFO L82 PathProgramCache]: Analyzing trace with hash -697377769, now seen corresponding path program 1 times [2018-10-23 22:49:41,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:49:41,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:49:41,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:49:41,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:49:41,309 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:49:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:49:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:49:41,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:49:41,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:49:41,629 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:49:41,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:49:41,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:49:41,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:49:41,631 INFO L87 Difference]: Start difference. First operand 4241 states and 6359 transitions. Second operand 6 states. [2018-10-23 22:49:47,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:49:47,788 INFO L93 Difference]: Finished difference Result 12708 states and 20698 transitions. [2018-10-23 22:49:47,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:49:47,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-10-23 22:49:47,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:49:47,864 INFO L225 Difference]: With dead ends: 12708 [2018-10-23 22:49:47,864 INFO L226 Difference]: Without dead ends: 8473 [2018-10-23 22:49:47,891 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 [2018-10-23 22:49:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8473 states. [2018-10-23 22:49:48,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8473 to 8388. [2018-10-23 22:49:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8388 states. [2018-10-23 22:49:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8388 states to 8388 states and 12578 transitions. [2018-10-23 22:49:48,194 INFO L78 Accepts]: Start accepts. Automaton has 8388 states and 12578 transitions. Word has length 111 [2018-10-23 22:49:48,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:49:48,195 INFO L481 AbstractCegarLoop]: Abstraction has 8388 states and 12578 transitions. [2018-10-23 22:49:48,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:49:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 8388 states and 12578 transitions. [2018-10-23 22:49:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-23 22:49:48,199 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:49:48,200 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, 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, 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] [2018-10-23 22:49:48,200 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:49:48,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:49:48,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2038002306, now seen corresponding path program 1 times [2018-10-23 22:49:48,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:49:48,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:49:48,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:49:48,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:49:48,202 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:49:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:49:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 49 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-23 22:49:48,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:49:48,736 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:49:48,737 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-10-23 22:49:48,739 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [858], [860], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [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] [2018-10-23 22:49:48,817 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:49:48,818 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:49:50,387 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 22:50:12,780 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:50:12,781 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. [2018-10-23 22:50:12,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:50:12,799 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:50:15,667 INFO L232 lantSequenceWeakener]: Weakened 40 states. On average, predicates are now at 77.82% of their original sizes. [2018-10-23 22:50:15,668 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 22:51:06,441 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 22:51:06,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 22:51:06,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [6] total 30 [2018-10-23 22:51:06,443 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:51:06,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-10-23 22:51:06,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-10-23 22:51:06,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2018-10-23 22:51:06,444 INFO L87 Difference]: Start difference. First operand 8388 states and 12578 transitions. Second operand 26 states. Received shutdown request... [2018-10-23 22:52:48,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-23 22:52:48,192 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 22:52:48,196 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 22:52:48,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:52:48 BoogieIcfgContainer [2018-10-23 22:52:48,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 22:52:48,198 INFO L168 Benchmark]: Toolchain (without parser) took 242247.93 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 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 807.8 MB. Max. memory is 7.1 GB. [2018-10-23 22:52:48,199 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. [2018-10-23 22:52:48,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1599.31 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-23 22:52:48,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 526.73 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 788.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -938.3 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. [2018-10-23 22:52:48,203 INFO L168 Benchmark]: Boogie Preprocessor took 270.78 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2018-10-23 22:52:48,203 INFO L168 Benchmark]: RCFGBuilder took 12651.75 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: 451.2 MB). Peak memory consumption was 451.2 MB. Max. memory is 7.1 GB. [2018-10-23 22:52:48,206 INFO L168 Benchmark]: TraceAbstraction took 227194.03 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 3.3 GB in the end (delta: -1.5 GB). Peak memory consumption was 340.0 MB. Max. memory is 7.1 GB. [2018-10-23 22:52:48,214 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 1599.31 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 526.73 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 788.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -938.3 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 270.78 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12651.75 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: 451.2 MB). Peak memory consumption was 451.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 227194.03 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 3.3 GB in the end (delta: -1.5 GB). Peak memory consumption was 340.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 80). Cancelled while BasicCegarLoop was constructing difference of abstraction (8388states) and FLOYD_HOARE automaton (currently 18 states, 26 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 34 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 227.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 146.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 686 SDtfs, 7853 SDslu, 800 SDs, 0 SdLazy, 9699 SolverSat, 3169 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 68.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 217 GetRequests, 141 SyntacticMatches, 29 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 55.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8388occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 24.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9938795986622072 AbsIntWeakeningRatio, 0.14673913043478262 AbsIntAvgWeakeningVarsNumRemoved, 772.0978260869565 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 139 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 433 ConstructedInterpolants, 0 QuantifiedInterpolants, 218373 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 166/171 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown