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/Problem03_label59_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 19:50:35,889 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 19:50:35,891 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 19:50:35,904 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 19:50:35,905 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 19:50:35,906 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 19:50:35,907 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 19:50:35,909 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 19:50:35,911 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 19:50:35,912 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 19:50:35,913 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 19:50:35,913 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 19:50:35,914 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 19:50:35,915 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 19:50:35,916 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 19:50:35,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 19:50:35,917 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 19:50:35,919 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 19:50:35,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 19:50:35,926 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 19:50:35,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 19:50:35,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 19:50:35,937 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 19:50:35,953 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 [2018-10-24 19:50:35,981 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 19:50:35,981 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 19:50:35,985 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 19:50:35,985 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 19:50:35,985 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 19:50:35,985 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 19:50:35,986 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 19:50:35,989 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 19:50:35,989 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 19:50:35,989 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 19:50:35,989 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 19:50:35,990 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 19:50:35,991 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 19:50:35,991 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 19:50:35,991 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 19:50:35,991 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 19:50:35,991 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 19:50:35,992 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 19:50:35,992 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 19:50:35,992 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 19:50:35,992 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 19:50:35,993 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 19:50:35,993 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 19:50:35,993 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 19:50:35,993 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 19:50:35,993 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 19:50:35,994 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 19:50:35,994 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 19:50:35,994 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 19:50:35,994 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 19:50:35,994 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 19:50:35,995 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 19:50:35,995 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 19:50:35,995 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 19:50:36,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 19:50:36,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 19:50:36,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 19:50:36,064 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 19:50:36,065 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 19:50:36,066 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label59_true-unreach-call.c [2018-10-24 19:50:36,131 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f54482059/57eb073e90bc40fcb878b1f984806169/FLAG1b686d906 [2018-10-24 19:50:36,773 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 19:50:36,774 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label59_true-unreach-call.c [2018-10-24 19:50:36,801 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f54482059/57eb073e90bc40fcb878b1f984806169/FLAG1b686d906 [2018-10-24 19:50:36,819 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f54482059/57eb073e90bc40fcb878b1f984806169 [2018-10-24 19:50:36,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 19:50:36,834 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 19:50:36,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 19:50:36,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 19:50:36,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 19:50:36,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:50:36" (1/1) ... [2018-10-24 19:50:36,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71739530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:36, skipping insertion in model container [2018-10-24 19:50:36,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:50:36" (1/1) ... [2018-10-24 19:50:36,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 19:50:36,952 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 19:50:37,792 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:50:37,799 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 19:50:38,094 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:50:38,121 INFO L193 MainTranslator]: Completed translation [2018-10-24 19:50:38,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38 WrapperNode [2018-10-24 19:50:38,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 19:50:38,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 19:50:38,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 19:50:38,124 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 19:50:38,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (1/1) ... [2018-10-24 19:50:38,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (1/1) ... [2018-10-24 19:50:38,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 19:50:38,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 19:50:38,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 19:50:38,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 19:50:38,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (1/1) ... [2018-10-24 19:50:38,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (1/1) ... [2018-10-24 19:50:38,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (1/1) ... [2018-10-24 19:50:38,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (1/1) ... [2018-10-24 19:50:38,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (1/1) ... [2018-10-24 19:50:38,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (1/1) ... [2018-10-24 19:50:38,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (1/1) ... [2018-10-24 19:50:38,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 19:50:38,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 19:50:38,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 19:50:38,677 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 19:50:38,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (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 [2018-10-24 19:50:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 19:50:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 19:50:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 19:50:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 19:50:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 19:50:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 19:50:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 19:50:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 19:50:44,094 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 19:50:44,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:50:44 BoogieIcfgContainer [2018-10-24 19:50:44,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 19:50:44,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 19:50:44,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 19:50:44,101 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 19:50:44,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:50:36" (1/3) ... [2018-10-24 19:50:44,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f4c4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:50:44, skipping insertion in model container [2018-10-24 19:50:44,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:50:38" (2/3) ... [2018-10-24 19:50:44,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f4c4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:50:44, skipping insertion in model container [2018-10-24 19:50:44,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:50:44" (3/3) ... [2018-10-24 19:50:44,108 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label59_true-unreach-call.c [2018-10-24 19:50:44,120 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 19:50:44,130 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 19:50:44,149 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 19:50:44,193 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 19:50:44,194 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 19:50:44,194 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 19:50:44,194 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 19:50:44,194 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 19:50:44,194 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 19:50:44,195 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 19:50:44,195 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 19:50:44,229 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-10-24 19:50:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-24 19:50:44,250 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:50:44,252 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, 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, 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, 1, 1, 1, 1] [2018-10-24 19:50:44,254 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:50:44,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:50:44,261 INFO L82 PathProgramCache]: Analyzing trace with hash -209089196, now seen corresponding path program 1 times [2018-10-24 19:50:44,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:50:44,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:50:44,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:50:44,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:50:44,316 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:50:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:50:45,314 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 4 [2018-10-24 19:50:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:50:45,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:50:45,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 19:50:45,658 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:50:45,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 19:50:45,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 19:50:45,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 19:50:45,697 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 4 states. [2018-10-24 19:50:48,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:50:48,837 INFO L93 Difference]: Finished difference Result 1084 states and 1945 transitions. [2018-10-24 19:50:48,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 19:50:48,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 181 [2018-10-24 19:50:48,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:50:48,872 INFO L225 Difference]: With dead ends: 1084 [2018-10-24 19:50:48,872 INFO L226 Difference]: Without dead ends: 766 [2018-10-24 19:50:48,882 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 19:50:48,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2018-10-24 19:50:49,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 524. [2018-10-24 19:50:49,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2018-10-24 19:50:49,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 918 transitions. [2018-10-24 19:50:49,040 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 918 transitions. Word has length 181 [2018-10-24 19:50:49,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:50:49,042 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 918 transitions. [2018-10-24 19:50:49,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 19:50:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 918 transitions. [2018-10-24 19:50:49,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-24 19:50:49,050 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:50:49,050 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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] [2018-10-24 19:50:49,051 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:50:49,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:50:49,052 INFO L82 PathProgramCache]: Analyzing trace with hash -588288187, now seen corresponding path program 1 times [2018-10-24 19:50:49,052 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:50:49,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:50:49,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:50:49,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:50:49,054 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:50:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:50:49,410 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:50:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:50:49,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:50:49,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 19:50:49,663 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:50:49,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 19:50:49,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 19:50:49,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 19:50:49,667 INFO L87 Difference]: Start difference. First operand 524 states and 918 transitions. Second operand 5 states. [2018-10-24 19:50:53,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:50:53,149 INFO L93 Difference]: Finished difference Result 1614 states and 2930 transitions. [2018-10-24 19:50:53,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:50:53,151 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 192 [2018-10-24 19:50:53,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:50:53,162 INFO L225 Difference]: With dead ends: 1614 [2018-10-24 19:50:53,163 INFO L226 Difference]: Without dead ends: 1096 [2018-10-24 19:50:53,167 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 19:50:53,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2018-10-24 19:50:53,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1073. [2018-10-24 19:50:53,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1073 states. [2018-10-24 19:50:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1769 transitions. [2018-10-24 19:50:53,231 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1769 transitions. Word has length 192 [2018-10-24 19:50:53,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:50:53,232 INFO L481 AbstractCegarLoop]: Abstraction has 1073 states and 1769 transitions. [2018-10-24 19:50:53,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 19:50:53,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1769 transitions. [2018-10-24 19:50:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-24 19:50:53,238 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:50:53,238 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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] [2018-10-24 19:50:53,239 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:50:53,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:50:53,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1719938640, now seen corresponding path program 1 times [2018-10-24 19:50:53,239 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:50:53,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:50:53,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:50:53,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:50:53,241 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:50:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:50:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:50:53,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:50:53,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:50:53,607 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:50:53,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:50:53,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:50:53,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:50:53,611 INFO L87 Difference]: Start difference. First operand 1073 states and 1769 transitions. Second operand 3 states. [2018-10-24 19:50:56,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:50:56,514 INFO L93 Difference]: Finished difference Result 3104 states and 5262 transitions. [2018-10-24 19:50:56,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:50:56,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2018-10-24 19:50:56,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:50:56,544 INFO L225 Difference]: With dead ends: 3104 [2018-10-24 19:50:56,545 INFO L226 Difference]: Without dead ends: 2037 [2018-10-24 19:50:56,554 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:50:56,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2037 states. [2018-10-24 19:50:56,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2037 to 2030. [2018-10-24 19:50:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2030 states. [2018-10-24 19:50:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 3225 transitions. [2018-10-24 19:50:56,653 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 3225 transitions. Word has length 194 [2018-10-24 19:50:56,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:50:56,654 INFO L481 AbstractCegarLoop]: Abstraction has 2030 states and 3225 transitions. [2018-10-24 19:50:56,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:50:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 3225 transitions. [2018-10-24 19:50:56,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-24 19:50:56,665 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:50:56,666 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 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, 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] [2018-10-24 19:50:56,666 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:50:56,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:50:56,669 INFO L82 PathProgramCache]: Analyzing trace with hash 284836524, now seen corresponding path program 1 times [2018-10-24 19:50:56,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:50:56,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:50:56,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:50:56,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:50:56,671 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:50:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:50:56,999 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-24 19:50:57,470 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 19:50:57,471 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:50:57,471 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 19:50:57,472 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-10-24 19:50:57,475 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [8], [12], [13], [16], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [909], [911], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-24 19:50:57,587 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 19:50:57,588 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-10-24 19:55:11,119 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-24 19:55:11,121 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-24 19:55:11,122 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 19:55:11,122 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:55:11,122 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 19:55:11,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:55:11,136 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 19:55:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:55:11,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 19:55:11,430 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-24 19:55:11,632 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 19:55:11,633 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 19:55:11,640 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 19:55:11,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:55:11 BoogieIcfgContainer [2018-10-24 19:55:11,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 19:55:11,642 INFO L168 Benchmark]: Toolchain (without parser) took 274809.23 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 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 346.9 MB. Max. memory is 7.1 GB. [2018-10-24 19:55:11,643 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-24 19:55:11,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.26 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-10-24 19:55:11,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 366.12 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 707.3 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -817.3 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2018-10-24 19:55:11,646 INFO L168 Benchmark]: Boogie Preprocessor took 185.82 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2018-10-24 19:55:11,647 INFO L168 Benchmark]: RCFGBuilder took 5419.24 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 253.3 MB). Peak memory consumption was 253.3 MB. Max. memory is 7.1 GB. [2018-10-24 19:55:11,648 INFO L168 Benchmark]: TraceAbstraction took 267543.76 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 955.8 MB). Free memory was 1.9 GB in the beginning and 2.7 GB in the end (delta: -840.3 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. [2018-10-24 19:55:11,653 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1288.26 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 366.12 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 707.3 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -817.3 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 185.82 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5419.24 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 253.3 MB). Peak memory consumption was 253.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 267543.76 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 955.8 MB). Free memory was 1.9 GB in the beginning and 2.7 GB in the end (delta: -840.3 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1557]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1557). Cancelled while BasicCegarLoop was analyzing trace of length 203 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 267.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 9.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 796 SDtfs, 1680 SDslu, 345 SDs, 0 SdLazy, 3267 SolverSat, 688 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2030occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 253.6s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 272 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 567 NumberOfCodeBlocks, 567 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 564 ConstructedInterpolants, 0 QuantifiedInterpolants, 428648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown