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/Problem13_label42_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:33:19,181 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:33:19,183 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:33:19,196 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:33:19,196 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:33:19,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:33:19,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:33:19,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:33:19,202 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:33:19,203 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:33:19,204 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:33:19,205 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:33:19,206 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:33:19,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:33:19,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:33:19,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:33:19,210 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:33:19,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:33:19,214 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:33:19,215 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:33:19,216 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:33:19,218 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:33:19,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 21:33:19,227 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:33:19,227 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:33:19,228 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:33:19,229 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:33:19,229 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 21:33:19,246 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:33:19,246 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:33:19,247 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:33:19,247 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:33:19,247 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:33:19,248 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:33:19,248 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:33:19,248 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:33:19,248 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:33:19,248 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:33:19,248 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:33:19,249 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:33:19,249 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:33:19,250 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:33:19,250 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:33:19,250 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:33:19,250 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:33:19,250 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:33:19,251 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:33:19,251 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:33:19,251 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:33:19,251 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:33:19,251 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:33:19,251 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:33:19,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:33:19,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:33:19,252 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:33:19,252 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:33:19,252 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:33:19,253 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:33:19,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:33:19,253 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:33:19,253 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:33:19,253 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:33:19,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:33:19,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:33:19,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:33:19,327 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:33:19,327 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:33:19,328 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label42_true-unreach-call.c [2018-10-24 21:33:19,394 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/040ca1a3a/31d8764ee06144ca9a38b08b54480447/FLAGf7642a92a [2018-10-24 21:33:20,139 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:33:20,140 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label42_true-unreach-call.c [2018-10-24 21:33:20,182 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/040ca1a3a/31d8764ee06144ca9a38b08b54480447/FLAGf7642a92a [2018-10-24 21:33:20,205 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/040ca1a3a/31d8764ee06144ca9a38b08b54480447 [2018-10-24 21:33:20,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:33:20,222 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:33:20,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:33:20,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:33:20,232 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:33:20,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:33:20" (1/1) ... [2018-10-24 21:33:20,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570fd3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:20, skipping insertion in model container [2018-10-24 21:33:20,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:33:20" (1/1) ... [2018-10-24 21:33:20,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:33:20,451 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:33:21,879 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:33:21,884 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:33:22,715 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:33:22,755 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:33:22,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22 WrapperNode [2018-10-24 21:33:22,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:33:22,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:33:22,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:33:22,758 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:33:22,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (1/1) ... [2018-10-24 21:33:22,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (1/1) ... [2018-10-24 21:33:23,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:33:23,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:33:23,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:33:23,348 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:33:23,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (1/1) ... [2018-10-24 21:33:23,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (1/1) ... [2018-10-24 21:33:23,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (1/1) ... [2018-10-24 21:33:23,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (1/1) ... [2018-10-24 21:33:23,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (1/1) ... [2018-10-24 21:33:23,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (1/1) ... [2018-10-24 21:33:23,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (1/1) ... [2018-10-24 21:33:23,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:33:23,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:33:23,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:33:23,696 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:33:23,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (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 21:33:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:33:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:33:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 21:33:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 21:33:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 21:33:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 21:33:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:33:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:33:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:33:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:33:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:33:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:33:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:33:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:33:36,149 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:33:36,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:33:36 BoogieIcfgContainer [2018-10-24 21:33:36,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:33:36,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:33:36,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:33:36,155 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:33:36,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:33:20" (1/3) ... [2018-10-24 21:33:36,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e224dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:33:36, skipping insertion in model container [2018-10-24 21:33:36,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:33:22" (2/3) ... [2018-10-24 21:33:36,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e224dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:33:36, skipping insertion in model container [2018-10-24 21:33:36,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:33:36" (3/3) ... [2018-10-24 21:33:36,159 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label42_true-unreach-call.c [2018-10-24 21:33:36,169 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:33:36,180 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:33:36,199 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:33:36,247 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:33:36,248 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:33:36,248 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:33:36,248 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:33:36,248 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:33:36,249 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:33:36,249 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:33:36,249 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:33:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 21:33:36,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-24 21:33:36,308 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:33:36,309 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] [2018-10-24 21:33:36,312 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:33:36,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:33:36,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1770921932, now seen corresponding path program 1 times [2018-10-24 21:33:36,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:33:36,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:33:36,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:33:36,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:33:36,386 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:33:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:33:36,867 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-24 21:33:36,914 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 21:33:36,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:33:36,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:33:36,918 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:33:36,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:33:36,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:33:36,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:33:36,966 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-10-24 21:33:53,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:33:53,646 INFO L93 Difference]: Finished difference Result 4105 states and 7669 transitions. [2018-10-24 21:33:53,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:33:53,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-10-24 21:33:53,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:33:53,714 INFO L225 Difference]: With dead ends: 4105 [2018-10-24 21:33:53,714 INFO L226 Difference]: Without dead ends: 2979 [2018-10-24 21:33:53,732 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 [2018-10-24 21:33:53,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2018-10-24 21:33:53,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2849. [2018-10-24 21:33:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2849 states. [2018-10-24 21:33:53,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 5075 transitions. [2018-10-24 21:33:53,945 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 5075 transitions. Word has length 72 [2018-10-24 21:33:53,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:33:53,946 INFO L481 AbstractCegarLoop]: Abstraction has 2849 states and 5075 transitions. [2018-10-24 21:33:53,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:33:53,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 5075 transitions. [2018-10-24 21:33:53,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-24 21:33:53,964 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:33:53,965 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, 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] [2018-10-24 21:33:53,965 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:33:53,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:33:53,966 INFO L82 PathProgramCache]: Analyzing trace with hash -646362735, now seen corresponding path program 1 times [2018-10-24 21:33:53,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:33:53,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:33:53,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:33:53,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:33:53,967 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:33:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:33:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:33:54,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:33:54,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:33:54,430 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:33:54,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:33:54,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:33:54,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:33:54,433 INFO L87 Difference]: Start difference. First operand 2849 states and 5075 transitions. Second operand 6 states. [2018-10-24 21:34:08,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:34:08,171 INFO L93 Difference]: Finished difference Result 8249 states and 15059 transitions. [2018-10-24 21:34:08,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:34:08,172 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-10-24 21:34:08,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:34:08,211 INFO L225 Difference]: With dead ends: 8249 [2018-10-24 21:34:08,211 INFO L226 Difference]: Without dead ends: 5406 [2018-10-24 21:34:08,223 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:34:08,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5406 states. [2018-10-24 21:34:08,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5406 to 5361. [2018-10-24 21:34:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5361 states. [2018-10-24 21:34:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5361 states to 5361 states and 8751 transitions. [2018-10-24 21:34:08,383 INFO L78 Accepts]: Start accepts. Automaton has 5361 states and 8751 transitions. Word has length 143 [2018-10-24 21:34:08,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:34:08,383 INFO L481 AbstractCegarLoop]: Abstraction has 5361 states and 8751 transitions. [2018-10-24 21:34:08,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:34:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 5361 states and 8751 transitions. [2018-10-24 21:34:08,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-24 21:34:08,389 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:34:08,389 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, 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] [2018-10-24 21:34:08,389 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:34:08,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:34:08,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1327608448, now seen corresponding path program 1 times [2018-10-24 21:34:08,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:34:08,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:34:08,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:34:08,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:34:08,392 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:34:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:34:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:34:08,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:34:08,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:34:08,740 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:34:08,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:34:08,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:34:08,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:34:08,741 INFO L87 Difference]: Start difference. First operand 5361 states and 8751 transitions. Second operand 6 states. [2018-10-24 21:34:23,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:34:23,312 INFO L93 Difference]: Finished difference Result 18313 states and 30872 transitions. [2018-10-24 21:34:23,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:34:23,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-10-24 21:34:23,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:34:23,414 INFO L225 Difference]: With dead ends: 18313 [2018-10-24 21:34:23,415 INFO L226 Difference]: Without dead ends: 12958 [2018-10-24 21:34:23,467 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:34:23,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12958 states. [2018-10-24 21:34:24,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12958 to 12892. [2018-10-24 21:34:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12892 states. [2018-10-24 21:34:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12892 states to 12892 states and 19349 transitions. [2018-10-24 21:34:24,123 INFO L78 Accepts]: Start accepts. Automaton has 12892 states and 19349 transitions. Word has length 146 [2018-10-24 21:34:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:34:24,124 INFO L481 AbstractCegarLoop]: Abstraction has 12892 states and 19349 transitions. [2018-10-24 21:34:24,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:34:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 12892 states and 19349 transitions. [2018-10-24 21:34:24,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-24 21:34:24,137 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:34:24,137 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:34:24,138 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:34:24,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:34:24,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2095905532, now seen corresponding path program 1 times [2018-10-24 21:34:24,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:34:24,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:34:24,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:34:24,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:34:24,140 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:34:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:34:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 130 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 21:34:24,523 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:34:24,523 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:34:24,524 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-10-24 21:34:24,526 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3075], [3083], [3091], [3099], [3103], [3105], [3108], [3116], [3121], [3125], [3128], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3171], [3176], [3178], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 21:34:24,624 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:34:24,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:34:28,235 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:34:28,237 INFO L272 AbstractInterpreter]: Visited 86 different actions 86 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 21:34:28,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:34:28,251 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:34:32,927 INFO L232 lantSequenceWeakener]: Weakened 204 states. On average, predicates are now at 72.18% of their original sizes. [2018-10-24 21:34:32,927 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:34:34,552 INFO L413 sIntCurrentIteration]: We have 226 unified AI predicates [2018-10-24 21:34:34,553 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:34:34,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:34:34,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-10-24 21:34:34,554 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:34:34,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 21:34:34,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 21:34:34,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-24 21:34:34,556 INFO L87 Difference]: Start difference. First operand 12892 states and 19349 transitions. Second operand 10 states. [2018-10-24 21:34:51,723 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 21:37:01,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 21:37:01,512 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:37:01,518 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:37:01,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:37:01 BoogieIcfgContainer [2018-10-24 21:37:01,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:37:01,519 INFO L168 Benchmark]: Toolchain (without parser) took 221298.67 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 1.5 GB in the end (delta: -67.4 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-24 21:37:01,520 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. [2018-10-24 21:37:01,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2531.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:37:01,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 590.18 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 832.0 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:37:01,523 INFO L168 Benchmark]: Boogie Preprocessor took 347.25 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2018-10-24 21:37:01,524 INFO L168 Benchmark]: RCFGBuilder took 12454.53 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 174.1 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 35.6 MB). Peak memory consumption was 650.4 MB. Max. memory is 7.1 GB. [2018-10-24 21:37:01,525 INFO L168 Benchmark]: TraceAbstraction took 205367.37 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 1.5 GB in the end (delta: 702.6 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-24 21:37:01,531 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 2531.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 590.18 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 832.0 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 347.25 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12454.53 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 174.1 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 35.6 MB). Peak memory consumption was 650.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205367.37 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 1.5 GB in the end (delta: 702.6 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 207]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 207). Cancelled while BasicCegarLoop was constructing difference of abstraction (12892states) and FLOYD_HOARE automaton (currently 9 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (6662 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 205.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 192.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1541 SDtfs, 11292 SDslu, 1524 SDs, 0 SdLazy, 16507 SolverSat, 4821 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 143.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 255 GetRequests, 226 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12892occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9958883594281824 AbsIntWeakeningRatio, 0.13274336283185842 AbsIntAvgWeakeningVarsNumRemoved, 26.853982300884955 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 241 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 584 ConstructedInterpolants, 0 QuantifiedInterpolants, 234481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 265/332 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown