java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label46_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 15:56:18,202 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 15:56:18,204 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 15:56:18,217 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 15:56:18,217 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 15:56:18,218 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 15:56:18,223 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 15:56:18,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 15:56:18,233 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 15:56:18,234 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 15:56:18,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 15:56:18,237 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 15:56:18,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 15:56:18,239 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 15:56:18,243 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 15:56:18,244 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 15:56:18,244 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 15:56:18,247 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 15:56:18,249 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 15:56:18,251 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 15:56:18,252 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 15:56:18,253 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 15:56:18,256 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 15:56:18,256 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 15:56:18,256 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 15:56:18,258 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 15:56:18,259 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 15:56:18,259 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 15:56:18,260 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 15:56:18,261 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 15:56:18,262 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 15:56:18,262 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 15:56:18,263 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 15:56:18,263 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 15:56:18,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 15:56:18,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 15:56:18,265 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 15:56:18,281 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 15:56:18,282 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 15:56:18,283 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 15:56:18,283 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 15:56:18,283 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 15:56:18,283 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 15:56:18,284 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 15:56:18,284 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 15:56:18,284 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 15:56:18,284 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 15:56:18,284 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 15:56:18,284 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 15:56:18,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 15:56:18,286 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 15:56:18,286 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 15:56:18,286 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 15:56:18,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 15:56:18,286 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 15:56:18,287 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 15:56:18,287 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 15:56:18,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 15:56:18,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 15:56:18,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 15:56:18,288 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 15:56:18,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 15:56:18,288 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 15:56:18,288 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 15:56:18,288 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 15:56:18,289 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 15:56:18,289 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 15:56:18,289 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 15:56:18,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 15:56:18,289 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 15:56:18,290 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 15:56:18,290 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 15:56:18,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 15:56:18,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 15:56:18,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 15:56:18,370 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 15:56:18,370 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 15:56:18,372 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label46_true-unreach-call.c [2018-07-21 15:56:18,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9f3f434/069283a15cf848f28aef3480276b72cd/FLAGf14bfb864 [2018-07-21 15:56:19,148 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 15:56:19,149 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label46_true-unreach-call.c [2018-07-21 15:56:19,184 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9f3f434/069283a15cf848f28aef3480276b72cd/FLAGf14bfb864 [2018-07-21 15:56:19,202 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9f3f434/069283a15cf848f28aef3480276b72cd [2018-07-21 15:56:19,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 15:56:19,218 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 15:56:19,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 15:56:19,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 15:56:19,231 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 15:56:19,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:56:19" (1/1) ... [2018-07-21 15:56:19,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be0937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:19, skipping insertion in model container [2018-07-21 15:56:19,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:56:19" (1/1) ... [2018-07-21 15:56:19,479 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 15:56:20,031 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 15:56:20,052 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 15:56:20,268 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 15:56:20,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20 WrapperNode [2018-07-21 15:56:20,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 15:56:20,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 15:56:20,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 15:56:20,391 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 15:56:20,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (1/1) ... [2018-07-21 15:56:20,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (1/1) ... [2018-07-21 15:56:20,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 15:56:20,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 15:56:20,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 15:56:20,580 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 15:56:20,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (1/1) ... [2018-07-21 15:56:20,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (1/1) ... [2018-07-21 15:56:20,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (1/1) ... [2018-07-21 15:56:20,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (1/1) ... [2018-07-21 15:56:20,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (1/1) ... [2018-07-21 15:56:20,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (1/1) ... [2018-07-21 15:56:20,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (1/1) ... [2018-07-21 15:56:20,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 15:56:20,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 15:56:20,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 15:56:20,743 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 15:56:20,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-21 15:56:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 15:56:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 15:56:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 15:56:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 15:56:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 15:56:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 15:56:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 15:56:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 15:56:25,636 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 15:56:25,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:56:25 BoogieIcfgContainer [2018-07-21 15:56:25,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 15:56:25,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 15:56:25,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 15:56:25,680 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 15:56:25,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:56:19" (1/3) ... [2018-07-21 15:56:25,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24aa0600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:56:25, skipping insertion in model container [2018-07-21 15:56:25,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:56:20" (2/3) ... [2018-07-21 15:56:25,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24aa0600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:56:25, skipping insertion in model container [2018-07-21 15:56:25,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:56:25" (3/3) ... [2018-07-21 15:56:25,685 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label46_true-unreach-call.c [2018-07-21 15:56:25,693 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 15:56:25,702 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 15:56:25,760 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 15:56:25,761 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 15:56:25,762 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 15:56:25,762 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 15:56:25,762 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 15:56:25,762 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 15:56:25,762 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 15:56:25,762 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 15:56:25,763 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 15:56:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-07-21 15:56:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-07-21 15:56:25,817 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:56:25,818 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 15:56:25,818 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:56:25,822 INFO L82 PathProgramCache]: Analyzing trace with hash 2061515297, now seen corresponding path program 1 times [2018-07-21 15:56:25,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:56:25,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:56:25,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:56:25,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:56:25,906 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:56:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:56:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:56:26,482 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 15:56:26,483 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 15:56:26,483 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:56:26,488 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 15:56:26,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 15:56:26,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 15:56:26,507 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-07-21 15:56:29,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:56:29,015 INFO L93 Difference]: Finished difference Result 996 states and 1776 transitions. [2018-07-21 15:56:29,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 15:56:29,017 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2018-07-21 15:56:29,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:56:29,040 INFO L225 Difference]: With dead ends: 996 [2018-07-21 15:56:29,040 INFO L226 Difference]: Without dead ends: 697 [2018-07-21 15:56:29,049 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 15:56:29,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2018-07-21 15:56:29,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 481. [2018-07-21 15:56:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-07-21 15:56:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 742 transitions. [2018-07-21 15:56:29,140 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 742 transitions. Word has length 69 [2018-07-21 15:56:29,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:56:29,140 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 742 transitions. [2018-07-21 15:56:29,140 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 15:56:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 742 transitions. [2018-07-21 15:56:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-21 15:56:29,149 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:56:29,149 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 15:56:29,150 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:56:29,150 INFO L82 PathProgramCache]: Analyzing trace with hash 172854267, now seen corresponding path program 1 times [2018-07-21 15:56:29,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:56:29,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:56:29,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:56:29,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:56:29,152 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:56:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:56:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:56:29,436 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 15:56:29,436 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 15:56:29,436 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:56:29,440 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 15:56:29,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 15:56:29,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 15:56:29,441 INFO L87 Difference]: Start difference. First operand 481 states and 742 transitions. Second operand 6 states. [2018-07-21 15:56:32,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:56:32,682 INFO L93 Difference]: Finished difference Result 1725 states and 2777 transitions. [2018-07-21 15:56:32,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 15:56:32,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-07-21 15:56:32,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:56:32,696 INFO L225 Difference]: With dead ends: 1725 [2018-07-21 15:56:32,697 INFO L226 Difference]: Without dead ends: 1250 [2018-07-21 15:56:32,702 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 15:56:32,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2018-07-21 15:56:32,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1231. [2018-07-21 15:56:32,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2018-07-21 15:56:32,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1812 transitions. [2018-07-21 15:56:32,782 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1812 transitions. Word has length 142 [2018-07-21 15:56:32,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:56:32,783 INFO L471 AbstractCegarLoop]: Abstraction has 1231 states and 1812 transitions. [2018-07-21 15:56:32,783 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 15:56:32,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1812 transitions. [2018-07-21 15:56:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-07-21 15:56:32,797 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:56:32,797 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 15:56:32,797 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:56:32,798 INFO L82 PathProgramCache]: Analyzing trace with hash -608734340, now seen corresponding path program 1 times [2018-07-21 15:56:32,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:56:32,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:56:32,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:56:32,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:56:32,799 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:56:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:56:33,039 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:56:33,039 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 15:56:33,039 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 15:56:33,040 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:56:33,040 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 15:56:33,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 15:56:33,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 15:56:33,041 INFO L87 Difference]: Start difference. First operand 1231 states and 1812 transitions. Second operand 4 states. [2018-07-21 15:56:35,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:56:35,530 INFO L93 Difference]: Finished difference Result 3236 states and 4910 transitions. [2018-07-21 15:56:35,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 15:56:35,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2018-07-21 15:56:35,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:56:35,551 INFO L225 Difference]: With dead ends: 3236 [2018-07-21 15:56:35,551 INFO L226 Difference]: Without dead ends: 2011 [2018-07-21 15:56:35,560 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 15:56:35,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2018-07-21 15:56:35,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 1998. [2018-07-21 15:56:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1998 states. [2018-07-21 15:56:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1998 states and 2881 transitions. [2018-07-21 15:56:35,661 INFO L78 Accepts]: Start accepts. Automaton has 1998 states and 2881 transitions. Word has length 143 [2018-07-21 15:56:35,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:56:35,662 INFO L471 AbstractCegarLoop]: Abstraction has 1998 states and 2881 transitions. [2018-07-21 15:56:35,662 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 15:56:35,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2881 transitions. [2018-07-21 15:56:35,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-21 15:56:35,669 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:56:35,669 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 15:56:35,669 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:56:35,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1500484833, now seen corresponding path program 1 times [2018-07-21 15:56:35,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:56:35,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:56:35,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:56:35,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:56:35,673 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:56:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:56:36,066 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:56:36,067 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 15:56:36,067 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-21 15:56:36,067 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:56:36,067 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 15:56:36,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 15:56:36,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-21 15:56:36,068 INFO L87 Difference]: Start difference. First operand 1998 states and 2881 transitions. Second operand 7 states. [2018-07-21 15:56:40,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:56:40,497 INFO L93 Difference]: Finished difference Result 6270 states and 9578 transitions. [2018-07-21 15:56:40,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-21 15:56:40,498 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2018-07-21 15:56:40,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:56:40,535 INFO L225 Difference]: With dead ends: 6270 [2018-07-21 15:56:40,535 INFO L226 Difference]: Without dead ends: 4083 [2018-07-21 15:56:40,563 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-07-21 15:56:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4083 states. [2018-07-21 15:56:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4083 to 3571. [2018-07-21 15:56:40,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3571 states. [2018-07-21 15:56:40,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3571 states to 3571 states and 4930 transitions. [2018-07-21 15:56:40,746 INFO L78 Accepts]: Start accepts. Automaton has 3571 states and 4930 transitions. Word has length 144 [2018-07-21 15:56:40,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:56:40,746 INFO L471 AbstractCegarLoop]: Abstraction has 3571 states and 4930 transitions. [2018-07-21 15:56:40,746 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 15:56:40,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3571 states and 4930 transitions. [2018-07-21 15:56:40,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-07-21 15:56:40,755 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:56:40,755 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-21 15:56:40,755 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:56:40,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1238365407, now seen corresponding path program 1 times [2018-07-21 15:56:40,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:56:40,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:56:40,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:56:40,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:56:40,757 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:56:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:56:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-07-21 15:56:41,457 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 15:56:41,457 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 15:56:41,458 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-07-21 15:56:41,461 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [650], [654], [658], [662], [666], [670], [674], [678], [682], [686], [690], [701], [712], [716], [720], [731], [734], [1108], [1109], [1110], [1111], [1113], [1114] [2018-07-21 15:56:41,554 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 15:56:41,554 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 15:56:49,077 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 15:57:30,098 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 15:57:30,099 INFO L272 AbstractInterpreter]: Visited 125 different actions 363 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-07-21 15:57:30,112 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 15:57:36,719 INFO L232 lantSequenceWeakener]: Weakened 259 states. On average, predicates are now at 73.87% of their original sizes. [2018-07-21 15:57:36,719 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 15:57:38,337 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 15:57:38,338 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 15:57:38,338 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-07-21 15:57:38,338 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:57:38,339 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-21 15:57:38,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-21 15:57:38,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-07-21 15:57:38,340 INFO L87 Difference]: Start difference. First operand 3571 states and 4930 transitions. Second operand 13 states. [2018-07-21 15:58:52,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:58:52,689 INFO L93 Difference]: Finished difference Result 7521 states and 10424 transitions. [2018-07-21 15:58:52,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-21 15:58:52,690 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 261 [2018-07-21 15:58:52,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:58:52,711 INFO L225 Difference]: With dead ends: 7521 [2018-07-21 15:58:52,711 INFO L226 Difference]: Without dead ends: 3956 [2018-07-21 15:58:52,728 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 270 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2018-07-21 15:58:52,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3956 states. [2018-07-21 15:58:52,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3956 to 3952. [2018-07-21 15:58:52,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2018-07-21 15:58:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 5342 transitions. [2018-07-21 15:58:52,871 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 5342 transitions. Word has length 261 [2018-07-21 15:58:52,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:58:52,872 INFO L471 AbstractCegarLoop]: Abstraction has 3952 states and 5342 transitions. [2018-07-21 15:58:52,872 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-21 15:58:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 5342 transitions. [2018-07-21 15:58:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-07-21 15:58:52,887 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:58:52,887 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 15:58:52,887 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:58:52,888 INFO L82 PathProgramCache]: Analyzing trace with hash -491972461, now seen corresponding path program 1 times [2018-07-21 15:58:52,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:58:52,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:58:52,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:58:52,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:58:52,890 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:58:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:58:53,243 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-07-21 15:58:53,243 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 15:58:53,244 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 15:58:53,244 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:58:53,244 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 15:58:53,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 15:58:53,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 15:58:53,245 INFO L87 Difference]: Start difference. First operand 3952 states and 5342 transitions. Second operand 4 states. [2018-07-21 15:58:55,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:58:55,878 INFO L93 Difference]: Finished difference Result 12221 states and 18249 transitions. [2018-07-21 15:58:55,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 15:58:55,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 271 [2018-07-21 15:58:55,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:58:55,932 INFO L225 Difference]: With dead ends: 12221 [2018-07-21 15:58:55,932 INFO L226 Difference]: Without dead ends: 8656 [2018-07-21 15:58:55,969 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 15:58:55,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8656 states. [2018-07-21 15:58:56,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8656 to 8531. [2018-07-21 15:58:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8531 states. [2018-07-21 15:58:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8531 states to 8531 states and 11913 transitions. [2018-07-21 15:58:56,268 INFO L78 Accepts]: Start accepts. Automaton has 8531 states and 11913 transitions. Word has length 271 [2018-07-21 15:58:56,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:58:56,269 INFO L471 AbstractCegarLoop]: Abstraction has 8531 states and 11913 transitions. [2018-07-21 15:58:56,269 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 15:58:56,270 INFO L276 IsEmpty]: Start isEmpty. Operand 8531 states and 11913 transitions. [2018-07-21 15:58:56,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-07-21 15:58:56,300 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:58:56,300 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 15:58:56,300 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:58:56,305 INFO L82 PathProgramCache]: Analyzing trace with hash -2089371189, now seen corresponding path program 1 times [2018-07-21 15:58:56,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:58:56,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:58:56,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:58:56,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:58:56,306 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:58:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:58:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 213 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:58:56,757 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 15:58:56,757 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 15:58:56,757 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 288 with the following transitions: [2018-07-21 15:58:56,758 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [650], [654], [658], [662], [666], [670], [674], [678], [682], [686], [690], [701], [712], [716], [720], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [774], [1108], [1109], [1110], [1111], [1113], [1114] [2018-07-21 15:58:56,771 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 15:58:56,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 15:59:13,394 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-21 15:59:54,870 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 15:59:54,871 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 15:59:54,872 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 15:59:54,872 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 15:59:54,872 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 15:59:54,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:59:54,880 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 15:59:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:59:55,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 15:59:55,062 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 15:59:55,263 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 15:59:55,264 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 15:59:55,267 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 15:59:55,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:59:55 BoogieIcfgContainer [2018-07-21 15:59:55,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 15:59:55,268 INFO L168 Benchmark]: Toolchain (without parser) took 216056.21 ms. Allocated memory was 303.6 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 243.9 MB in the beginning and 1.2 GB in the end (delta: -923.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 5.3 GB. [2018-07-21 15:59:55,270 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 303.6 MB. Free memory is still 266.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 15:59:55,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1169.09 ms. Allocated memory was 303.6 MB in the beginning and 334.5 MB in the end (delta: 30.9 MB). Free memory was 243.9 MB in the beginning and 290.6 MB in the end (delta: -46.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 5.3 GB. [2018-07-21 15:59:55,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.41 ms. Allocated memory is still 334.5 MB. Free memory was 290.6 MB in the beginning and 271.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 5.3 GB. [2018-07-21 15:59:55,271 INFO L168 Benchmark]: Boogie Preprocessor took 162.45 ms. Allocated memory is still 334.5 MB. Free memory was 271.5 MB in the beginning and 259.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 5.3 GB. [2018-07-21 15:59:55,272 INFO L168 Benchmark]: RCFGBuilder took 4931.06 ms. Allocated memory was 334.5 MB in the beginning and 515.4 MB in the end (delta: 180.9 MB). Free memory was 259.9 MB in the beginning and 288.8 MB in the end (delta: -28.9 MB). Peak memory consumption was 168.2 MB. Max. memory is 5.3 GB. [2018-07-21 15:59:55,272 INFO L168 Benchmark]: TraceAbstraction took 209592.81 ms. Allocated memory was 515.4 MB in the beginning and 2.5 GB in the end (delta: 2.0 GB). Free memory was 288.8 MB in the beginning and 1.2 GB in the end (delta: -878.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. [2018-07-21 15:59:55,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 303.6 MB. Free memory is still 266.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1169.09 ms. Allocated memory was 303.6 MB in the beginning and 334.5 MB in the end (delta: 30.9 MB). Free memory was 243.9 MB in the beginning and 290.6 MB in the end (delta: -46.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 189.41 ms. Allocated memory is still 334.5 MB. Free memory was 290.6 MB in the beginning and 271.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 162.45 ms. Allocated memory is still 334.5 MB. Free memory was 271.5 MB in the beginning and 259.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 4931.06 ms. Allocated memory was 334.5 MB in the beginning and 515.4 MB in the end (delta: 180.9 MB). Free memory was 259.9 MB in the beginning and 288.8 MB in the end (delta: -28.9 MB). Peak memory consumption was 168.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 209592.81 ms. Allocated memory was 515.4 MB in the beginning and 2.5 GB in the end (delta: 2.0 GB). Free memory was 288.8 MB in the beginning and 1.2 GB in the end (delta: -878.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 192]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 192). Cancelled while BasicCegarLoop was analyzing trace of length 288 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 209.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 89.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1493 SDtfs, 4537 SDslu, 1189 SDs, 0 SdLazy, 9374 SolverSat, 1948 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 59.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 309 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8531occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 106.7s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9958435083435084 AbsIntWeakeningRatio, 0.1076923076923077 AbsIntAvgWeakeningVarsNumRemoved, 15.903846153846153 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 889 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1030 NumberOfCodeBlocks, 1030 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1024 ConstructedInterpolants, 0 QuantifiedInterpolants, 666455 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 467/594 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem11_label46_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_15-59-55-295.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem11_label46_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_15-59-55-295.csv Completed graceful shutdown