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-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label31_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 12:02:29,381 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 12:02:29,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 12:02:29,399 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 12:02:29,399 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 12:02:29,400 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 12:02:29,401 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 12:02:29,403 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 12:02:29,405 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 12:02:29,406 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 12:02:29,407 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 12:02:29,407 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 12:02:29,408 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 12:02:29,409 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 12:02:29,410 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 12:02:29,411 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 12:02:29,412 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 12:02:29,414 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 12:02:29,416 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 12:02:29,417 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 12:02:29,419 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 12:02:29,420 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 12:02:29,423 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 12:02:29,423 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 12:02:29,423 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 12:02:29,424 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 12:02:29,425 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 12:02:29,426 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 12:02:29,427 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 12:02:29,428 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 12:02:29,428 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 12:02:29,429 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 12:02:29,429 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 12:02:29,429 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 12:02:29,430 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 12:02:29,431 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 12:02:29,432 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 12:02:29,452 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 12:02:29,452 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 12:02:29,456 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 12:02:29,456 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 12:02:29,457 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 12:02:29,457 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 12:02:29,457 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 12:02:29,457 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 12:02:29,457 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 12:02:29,458 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 12:02:29,458 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 12:02:29,458 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 12:02:29,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 12:02:29,459 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 12:02:29,459 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 12:02:29,460 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 12:02:29,460 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 12:02:29,460 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 12:02:29,460 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 12:02:29,460 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 12:02:29,461 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 12:02:29,463 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 12:02:29,463 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 12:02:29,463 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 12:02:29,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 12:02:29,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 12:02:29,464 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 12:02:29,464 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 12:02:29,464 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 12:02:29,464 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 12:02:29,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 12:02:29,464 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 12:02:29,465 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 12:02:29,465 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 12:02:29,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 12:02:29,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 12:02:29,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 12:02:29,544 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 12:02:29,545 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 12:02:29,545 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label31_false-unreach-call.c [2018-10-27 12:02:29,599 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/458648dad/8924ff7f6dc44fdaa940d4bdfe0dc65d/FLAGd17d2264a [2018-10-27 12:02:30,278 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 12:02:30,279 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label31_false-unreach-call.c [2018-10-27 12:02:30,305 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/458648dad/8924ff7f6dc44fdaa940d4bdfe0dc65d/FLAGd17d2264a [2018-10-27 12:02:30,321 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/458648dad/8924ff7f6dc44fdaa940d4bdfe0dc65d [2018-10-27 12:02:30,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 12:02:30,335 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 12:02:30,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 12:02:30,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 12:02:30,340 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 12:02:30,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:02:30" (1/1) ... [2018-10-27 12:02:30,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf5ea2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:30, skipping insertion in model container [2018-10-27 12:02:30,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:02:30" (1/1) ... [2018-10-27 12:02:30,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 12:02:30,506 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 12:02:31,741 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:02:31,746 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 12:02:32,191 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:02:32,219 INFO L193 MainTranslator]: Completed translation [2018-10-27 12:02:32,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32 WrapperNode [2018-10-27 12:02:32,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 12:02:32,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 12:02:32,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 12:02:32,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 12:02:32,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (1/1) ... [2018-10-27 12:02:32,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (1/1) ... [2018-10-27 12:02:32,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 12:02:32,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 12:02:32,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 12:02:32,618 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 12:02:32,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (1/1) ... [2018-10-27 12:02:32,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (1/1) ... [2018-10-27 12:02:32,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (1/1) ... [2018-10-27 12:02:32,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (1/1) ... [2018-10-27 12:02:32,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (1/1) ... [2018-10-27 12:02:32,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (1/1) ... [2018-10-27 12:02:32,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (1/1) ... [2018-10-27 12:02:32,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 12:02:32,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 12:02:32,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 12:02:32,805 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 12:02:32,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 12:02:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 12:02:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 12:02:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 12:02:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 12:02:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 12:02:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 12:02:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 12:02:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 12:02:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 12:02:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 12:02:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 12:02:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 12:02:41,801 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 12:02:41,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:02:41 BoogieIcfgContainer [2018-10-27 12:02:41,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 12:02:41,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 12:02:41,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 12:02:41,807 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 12:02:41,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:02:30" (1/3) ... [2018-10-27 12:02:41,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea1265a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:02:41, skipping insertion in model container [2018-10-27 12:02:41,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:02:32" (2/3) ... [2018-10-27 12:02:41,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea1265a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:02:41, skipping insertion in model container [2018-10-27 12:02:41,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:02:41" (3/3) ... [2018-10-27 12:02:41,811 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label31_false-unreach-call.c [2018-10-27 12:02:41,822 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 12:02:41,832 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 12:02:41,851 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 12:02:41,897 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 12:02:41,897 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 12:02:41,897 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 12:02:41,897 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 12:02:41,898 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 12:02:41,898 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 12:02:41,898 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 12:02:41,898 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 12:02:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-10-27 12:02:41,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 12:02:41,956 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:02:41,957 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] [2018-10-27 12:02:41,959 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:02:41,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:02:41,965 INFO L82 PathProgramCache]: Analyzing trace with hash 609614244, now seen corresponding path program 1 times [2018-10-27 12:02:41,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:02:42,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:02:42,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:02:42,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:02:42,017 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:02:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:02:42,395 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:02:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:02:42,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:02:42,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 12:02:42,516 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:02:42,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:02:42,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:02:42,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:02:42,546 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 3 states. [2018-10-27 12:02:49,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:02:49,405 INFO L93 Difference]: Finished difference Result 2251 states and 4322 transitions. [2018-10-27 12:02:49,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:02:49,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-10-27 12:02:49,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:02:49,438 INFO L225 Difference]: With dead ends: 2251 [2018-10-27 12:02:49,439 INFO L226 Difference]: Without dead ends: 1474 [2018-10-27 12:02:49,449 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:02:49,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2018-10-27 12:02:49,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1474. [2018-10-27 12:02:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2018-10-27 12:02:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2801 transitions. [2018-10-27 12:02:49,597 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2801 transitions. Word has length 22 [2018-10-27 12:02:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:02:49,598 INFO L481 AbstractCegarLoop]: Abstraction has 1474 states and 2801 transitions. [2018-10-27 12:02:49,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:02:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2801 transitions. [2018-10-27 12:02:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-27 12:02:49,607 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:02:49,608 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 12:02:49,608 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:02:49,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:02:49,608 INFO L82 PathProgramCache]: Analyzing trace with hash 2062892298, now seen corresponding path program 1 times [2018-10-27 12:02:49,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:02:49,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:02:49,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:02:49,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:02:49,611 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:02:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:02:49,976 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:02:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:02:50,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:02:50,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 12:02:50,053 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:02:50,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 12:02:50,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 12:02:50,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 12:02:50,056 INFO L87 Difference]: Start difference. First operand 1474 states and 2801 transitions. Second operand 6 states. [2018-10-27 12:03:01,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:03:01,079 INFO L93 Difference]: Finished difference Result 5777 states and 11168 transitions. [2018-10-27 12:03:01,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 12:03:01,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2018-10-27 12:03:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:03:01,117 INFO L225 Difference]: With dead ends: 5777 [2018-10-27 12:03:01,117 INFO L226 Difference]: Without dead ends: 4309 [2018-10-27 12:03:01,128 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 [2018-10-27 12:03:01,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4309 states. [2018-10-27 12:03:01,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4309 to 4283. [2018-10-27 12:03:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4283 states. [2018-10-27 12:03:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 4283 states and 7016 transitions. [2018-10-27 12:03:01,266 INFO L78 Accepts]: Start accepts. Automaton has 4283 states and 7016 transitions. Word has length 96 [2018-10-27 12:03:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:03:01,268 INFO L481 AbstractCegarLoop]: Abstraction has 4283 states and 7016 transitions. [2018-10-27 12:03:01,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 12:03:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 4283 states and 7016 transitions. [2018-10-27 12:03:01,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-27 12:03:01,293 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:03:01,294 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:03:01,294 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:03:01,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:03:01,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1199088567, now seen corresponding path program 1 times [2018-10-27 12:03:01,295 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:03:01,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:03:01,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:03:01,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:03:01,297 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:03:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:03:01,719 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:03:01,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:03:01,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 12:03:01,720 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:03:01,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 12:03:01,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 12:03:01,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 12:03:01,722 INFO L87 Difference]: Start difference. First operand 4283 states and 7016 transitions. Second operand 6 states. [2018-10-27 12:03:07,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:03:07,593 INFO L93 Difference]: Finished difference Result 10060 states and 16785 transitions. [2018-10-27 12:03:07,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 12:03:07,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2018-10-27 12:03:07,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:03:07,646 INFO L225 Difference]: With dead ends: 10060 [2018-10-27 12:03:07,648 INFO L226 Difference]: Without dead ends: 5783 [2018-10-27 12:03:07,661 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 12:03:07,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5783 states. [2018-10-27 12:03:07,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5783 to 5754. [2018-10-27 12:03:07,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5754 states. [2018-10-27 12:03:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5754 states to 5754 states and 9275 transitions. [2018-10-27 12:03:07,841 INFO L78 Accepts]: Start accepts. Automaton has 5754 states and 9275 transitions. Word has length 185 [2018-10-27 12:03:07,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:03:07,842 INFO L481 AbstractCegarLoop]: Abstraction has 5754 states and 9275 transitions. [2018-10-27 12:03:07,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 12:03:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 5754 states and 9275 transitions. [2018-10-27 12:03:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-27 12:03:07,849 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:03:07,849 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:03:07,849 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:03:07,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:03:07,850 INFO L82 PathProgramCache]: Analyzing trace with hash 2119898916, now seen corresponding path program 1 times [2018-10-27 12:03:07,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:03:07,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:03:07,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:03:07,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:03:07,851 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:03:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:03:08,160 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:03:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 30 proven. 90 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 12:03:08,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:03:08,411 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:03:08,413 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-10-27 12:03:08,415 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1699], [1701], [1704], [1712], [1720], [1728], [1736], [1744], [1752], [1760], [1768], [1776], [1784], [1792], [1800], [1808], [1816], [1824], [1832], [1840], [1848], [1856], [1864], [1872], [1880], [1888], [1896], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2216], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2280], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-10-27 12:03:08,463 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:03:08,463 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:03:09,685 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 12:03:26,574 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:03:26,576 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-27 12:03:26,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:03:26,615 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:03:42,778 INFO L227 lantSequenceWeakener]: Weakened 219 states. On average, predicates are now at 77.39% of their original sizes. [2018-10-27 12:03:42,778 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:03:42,944 INFO L415 sIntCurrentIteration]: We unified 227 AI predicates to 227 [2018-10-27 12:03:42,945 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:03:42,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:03:42,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-27 12:03:42,946 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:03:42,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 12:03:42,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 12:03:42,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 12:03:42,948 INFO L87 Difference]: Start difference. First operand 5754 states and 9275 transitions. Second operand 6 states. Received shutdown request... [2018-10-27 12:06:45,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 12:06:45,734 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 12:06:45,740 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 12:06:45,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:06:45 BoogieIcfgContainer [2018-10-27 12:06:45,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 12:06:45,741 INFO L168 Benchmark]: Toolchain (without parser) took 255407.04 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 737.1 MB. Max. memory is 7.1 GB. [2018-10-27 12:06:45,742 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 12:06:45,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1884.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-27 12:06:45,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 395.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 775.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -958.3 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2018-10-27 12:06:45,744 INFO L168 Benchmark]: Boogie Preprocessor took 186.46 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2018-10-27 12:06:45,745 INFO L168 Benchmark]: RCFGBuilder took 8998.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 501.9 MB). Peak memory consumption was 501.9 MB. Max. memory is 7.1 GB. [2018-10-27 12:06:45,746 INFO L168 Benchmark]: TraceAbstraction took 243936.38 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.1 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -822.4 MB). Peak memory consumption was 252.9 MB. Max. memory is 7.1 GB. [2018-10-27 12:06:45,752 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 1884.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 395.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 775.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -958.3 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 186.46 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8998.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 501.9 MB). Peak memory consumption was 501.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243936.38 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.1 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -822.4 MB). Peak memory consumption was 252.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 54). Cancelled while BasicCegarLoop was constructing difference of abstraction (5754states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (2720 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 243.8s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 206.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 531 SDtfs, 7333 SDslu, 572 SDs, 0 SdLazy, 12084 SolverSat, 4300 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 193.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 253 GetRequests, 229 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5754occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 18.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9975198810000574 AbsIntWeakeningRatio, 0.1145374449339207 AbsIntAvgWeakeningVarsNumRemoved, 18.13215859030837 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 55 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 531 NumberOfCodeBlocks, 531 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 430241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 65/155 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown