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_label30_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:25:01,221 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:25:01,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:25:01,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:25:01,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:25:01,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:25:01,239 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:25:01,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:25:01,243 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:25:01,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:25:01,246 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:25:01,246 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:25:01,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:25:01,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:25:01,256 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:25:01,257 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:25:01,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:25:01,260 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:25:01,262 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:25:01,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:25:01,265 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:25:01,266 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:25:01,269 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 18:25:01,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 18:25:01,269 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 18:25:01,270 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 18:25:01,271 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 18:25:01,272 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 18:25:01,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 18:25:01,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 18:25:01,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 18:25:01,275 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 18:25:01,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:25:01,276 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:25:01,277 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:25:01,278 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:25:01,278 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 18:25:01,294 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:25:01,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:25:01,295 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:25:01,295 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:25:01,295 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:25:01,295 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:25:01,296 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:25:01,296 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:25:01,296 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:25:01,296 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:25:01,296 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:25:01,297 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:25:01,297 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:25:01,297 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:25:01,298 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:25:01,298 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:25:01,298 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:25:01,298 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:25:01,298 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:25:01,298 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:25:01,299 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:25:01,299 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:25:01,299 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:25:01,299 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:25:01,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:25:01,300 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:25:01,300 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:25:01,300 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:25:01,300 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:25:01,300 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:25:01,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:25:01,301 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:25:01,301 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:25:01,301 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:25:01,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:25:01,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:25:01,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:25:01,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:25:01,365 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:25:01,366 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label30_false-unreach-call.c [2018-10-24 18:25:01,436 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ca1e6c660/2a16219d9b844bbbae5c31875a424532/FLAGf1a5f5f56 [2018-10-24 18:25:02,244 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:25:02,245 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label30_false-unreach-call.c [2018-10-24 18:25:02,290 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ca1e6c660/2a16219d9b844bbbae5c31875a424532/FLAGf1a5f5f56 [2018-10-24 18:25:02,312 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ca1e6c660/2a16219d9b844bbbae5c31875a424532 [2018-10-24 18:25:02,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:25:02,327 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:25:02,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:25:02,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:25:02,337 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:25:02,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:25:02" (1/1) ... [2018-10-24 18:25:02,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a802b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:02, skipping insertion in model container [2018-10-24 18:25:02,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:25:02" (1/1) ... [2018-10-24 18:25:02,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:25:02,558 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:25:04,189 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:25:04,194 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:25:05,085 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:25:05,128 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:25:05,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05 WrapperNode [2018-10-24 18:25:05,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:25:05,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:25:05,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:25:05,131 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:25:05,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (1/1) ... [2018-10-24 18:25:05,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (1/1) ... [2018-10-24 18:25:05,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:25:05,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:25:05,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:25:05,790 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:25:05,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (1/1) ... [2018-10-24 18:25:05,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (1/1) ... [2018-10-24 18:25:05,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (1/1) ... [2018-10-24 18:25:05,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (1/1) ... [2018-10-24 18:25:06,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (1/1) ... [2018-10-24 18:25:06,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (1/1) ... [2018-10-24 18:25:06,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (1/1) ... [2018-10-24 18:25:06,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:25:06,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:25:06,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:25:06,177 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:25:06,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (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 18:25:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:25:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:25:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 18:25:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 18:25:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 18:25:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 18:25:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 18:25:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 18:25:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:25:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:25:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:25:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:25:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:25:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:25:17,462 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:25:17,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:25:17 BoogieIcfgContainer [2018-10-24 18:25:17,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:25:17,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:25:17,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:25:17,468 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:25:17,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:25:02" (1/3) ... [2018-10-24 18:25:17,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b017fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:25:17, skipping insertion in model container [2018-10-24 18:25:17,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:05" (2/3) ... [2018-10-24 18:25:17,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b017fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:25:17, skipping insertion in model container [2018-10-24 18:25:17,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:25:17" (3/3) ... [2018-10-24 18:25:17,472 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label30_false-unreach-call.c [2018-10-24 18:25:17,483 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:25:17,493 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:25:17,512 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:25:17,560 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:25:17,560 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:25:17,561 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:25:17,561 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:25:17,561 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:25:17,561 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:25:17,561 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:25:17,561 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:25:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 18:25:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-24 18:25:17,613 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:25:17,614 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] [2018-10-24 18:25:17,617 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:25:17,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:17,624 INFO L82 PathProgramCache]: Analyzing trace with hash 117345268, now seen corresponding path program 1 times [2018-10-24 18:25:17,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:25:17,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:17,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:25:17,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:17,687 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:25:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:25:18,067 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:25:18,180 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 18:25:18,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:25:18,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:25:18,186 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:25:18,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:25:18,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:25:18,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:25:18,215 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 18:25:30,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:25:30,247 INFO L93 Difference]: Finished difference Result 3105 states and 5730 transitions. [2018-10-24 18:25:30,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:25:30,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-24 18:25:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:25:30,284 INFO L225 Difference]: With dead ends: 3105 [2018-10-24 18:25:30,285 INFO L226 Difference]: Without dead ends: 1983 [2018-10-24 18:25:30,295 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:25:30,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2018-10-24 18:25:30,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1966. [2018-10-24 18:25:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2018-10-24 18:25:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 3516 transitions. [2018-10-24 18:25:30,472 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 3516 transitions. Word has length 26 [2018-10-24 18:25:30,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:25:30,473 INFO L481 AbstractCegarLoop]: Abstraction has 1966 states and 3516 transitions. [2018-10-24 18:25:30,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:25:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 3516 transitions. [2018-10-24 18:25:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-24 18:25:30,479 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:25:30,479 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:25:30,480 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:25:30,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:30,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1195809616, now seen corresponding path program 1 times [2018-10-24 18:25:30,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:25:30,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:30,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:25:30,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:30,482 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:25:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:25:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:25:30,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:25:30,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:25:30,834 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:25:30,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:25:30,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:25:30,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:25:30,837 INFO L87 Difference]: Start difference. First operand 1966 states and 3516 transitions. Second operand 5 states. [2018-10-24 18:25:45,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:25:45,579 INFO L93 Difference]: Finished difference Result 5647 states and 10296 transitions. [2018-10-24 18:25:45,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:25:45,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 96 [2018-10-24 18:25:45,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:25:45,608 INFO L225 Difference]: With dead ends: 5647 [2018-10-24 18:25:45,608 INFO L226 Difference]: Without dead ends: 3687 [2018-10-24 18:25:45,616 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:25:45,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3687 states. [2018-10-24 18:25:45,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3687 to 3655. [2018-10-24 18:25:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3655 states. [2018-10-24 18:25:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3655 states to 3655 states and 5961 transitions. [2018-10-24 18:25:45,717 INFO L78 Accepts]: Start accepts. Automaton has 3655 states and 5961 transitions. Word has length 96 [2018-10-24 18:25:45,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:25:45,718 INFO L481 AbstractCegarLoop]: Abstraction has 3655 states and 5961 transitions. [2018-10-24 18:25:45,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:25:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 3655 states and 5961 transitions. [2018-10-24 18:25:45,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-24 18:25:45,726 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:25:45,726 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:25:45,727 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:25:45,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:45,727 INFO L82 PathProgramCache]: Analyzing trace with hash 542597100, now seen corresponding path program 1 times [2018-10-24 18:25:45,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:25:45,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:45,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:25:45,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:45,731 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:25:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:25:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:25:45,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:25:45,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:25:45,965 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:25:45,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:25:45,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:25:45,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:25:45,966 INFO L87 Difference]: Start difference. First operand 3655 states and 5961 transitions. Second operand 5 states. [2018-10-24 18:26:03,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:26:03,730 INFO L93 Difference]: Finished difference Result 10942 states and 18369 transitions. [2018-10-24 18:26:03,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:26:03,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2018-10-24 18:26:03,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:26:03,783 INFO L225 Difference]: With dead ends: 10942 [2018-10-24 18:26:03,784 INFO L226 Difference]: Without dead ends: 7293 [2018-10-24 18:26:03,799 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:26:03,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7293 states. [2018-10-24 18:26:04,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7293 to 7135. [2018-10-24 18:26:04,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7135 states. [2018-10-24 18:26:04,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7135 states to 7135 states and 10861 transitions. [2018-10-24 18:26:04,040 INFO L78 Accepts]: Start accepts. Automaton has 7135 states and 10861 transitions. Word has length 98 [2018-10-24 18:26:04,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:26:04,040 INFO L481 AbstractCegarLoop]: Abstraction has 7135 states and 10861 transitions. [2018-10-24 18:26:04,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:26:04,041 INFO L276 IsEmpty]: Start isEmpty. Operand 7135 states and 10861 transitions. [2018-10-24 18:26:04,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-24 18:26:04,044 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:26:04,044 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:26:04,045 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:26:04,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:26:04,045 INFO L82 PathProgramCache]: Analyzing trace with hash -293144288, now seen corresponding path program 1 times [2018-10-24 18:26:04,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:26:04,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:26:04,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:26:04,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:26:04,047 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:26:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:26:04,445 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-24 18:26:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 18:26:04,462 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:26:04,463 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:26:04,464 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 121 with the following transitions: [2018-10-24 18:26:04,466 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2735], [2737], [2740], [2748], [2756], [2764], [2772], [2780], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3237], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 18:26:04,557 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:26:04,557 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:26:08,946 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:26:08,948 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 18:26:08,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:26:08,959 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:26:11,609 INFO L232 lantSequenceWeakener]: Weakened 105 states. On average, predicates are now at 71.64% of their original sizes. [2018-10-24 18:26:11,609 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:26:12,962 INFO L413 sIntCurrentIteration]: We have 119 unified AI predicates [2018-10-24 18:26:12,962 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:26:12,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:26:12,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-10-24 18:26:12,963 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:26:12,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 18:26:12,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 18:26:12,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-24 18:26:12,965 INFO L87 Difference]: Start difference. First operand 7135 states and 10861 transitions. Second operand 10 states. [2018-10-24 18:26:41,489 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 18:28:49,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 18:28:49,727 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:28:49,732 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:28:49,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:28:49 BoogieIcfgContainer [2018-10-24 18:28:49,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:28:49,733 INFO L168 Benchmark]: Toolchain (without parser) took 227406.93 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 1.8 GB in the end (delta: -421.8 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-24 18:28:49,734 INFO L168 Benchmark]: CDTParser took 0.25 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 18:28:49,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2800.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:49,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 659.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 820.0 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:49,737 INFO L168 Benchmark]: Boogie Preprocessor took 385.73 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:49,737 INFO L168 Benchmark]: RCFGBuilder took 11287.04 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 188.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 669.6 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:49,739 INFO L168 Benchmark]: TraceAbstraction took 212268.06 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 1.8 GB in the end (delta: 377.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-24 18:28:49,744 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 2800.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 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 659.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 820.0 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 385.73 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11287.04 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 188.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 669.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212268.06 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 1.8 GB in the end (delta: 377.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 69). Cancelled while BasicCegarLoop was constructing difference of abstraction (7135states) and FLOYD_HOARE automaton (currently 9 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (3662 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 212.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 201.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1650 SDtfs, 8958 SDslu, 1473 SDs, 0 SdLazy, 13670 SolverSat, 3842 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 149.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 146 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7135occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9931738849385909 AbsIntWeakeningRatio, 0.17647058823529413 AbsIntAvgWeakeningVarsNumRemoved, 54.90756302521008 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 207 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 91971 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 42/57 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown