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_label21_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 15:34:12,417 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 15:34:12,419 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 15:34:12,436 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 15:34:12,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 15:34:12,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 15:34:12,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 15:34:12,443 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 15:34:12,446 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 15:34:12,447 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 15:34:12,448 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 15:34:12,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 15:34:12,449 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 15:34:12,449 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 15:34:12,453 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 15:34:12,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 15:34:12,454 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 15:34:12,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 15:34:12,470 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 15:34:12,472 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 15:34:12,473 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 15:34:12,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 15:34:12,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-21 15:34:12,493 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 15:34:12,521 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 15:34:12,521 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 15:34:12,522 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 15:34:12,522 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 15:34:12,522 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 15:34:12,523 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 15:34:12,526 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 15:34:12,527 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 15:34:12,527 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 15:34:12,527 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 15:34:12,527 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 15:34:12,527 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 15:34:12,528 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 15:34:12,528 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 15:34:12,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 15:34:12,529 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 15:34:12,529 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 15:34:12,529 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 15:34:12,529 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 15:34:12,529 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 15:34:12,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 15:34:12,530 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 15:34:12,531 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 15:34:12,531 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 15:34:12,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 15:34:12,531 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 15:34:12,532 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 15:34:12,532 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 15:34:12,532 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 15:34:12,532 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 15:34:12,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 15:34:12,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 15:34:12,533 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 15:34:12,533 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 15:34:12,533 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 15:34:12,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 15:34:12,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 15:34:12,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 15:34:12,608 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 15:34:12,608 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 15:34:12,609 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label21_true-unreach-call.c [2018-07-21 15:34:12,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/237c00fbf/91495dd05bac4758a86f9d19bbaa1e6a/FLAG0e6080db9 [2018-07-21 15:34:13,243 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 15:34:13,244 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label21_true-unreach-call.c [2018-07-21 15:34:13,265 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/237c00fbf/91495dd05bac4758a86f9d19bbaa1e6a/FLAG0e6080db9 [2018-07-21 15:34:13,280 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/237c00fbf/91495dd05bac4758a86f9d19bbaa1e6a [2018-07-21 15:34:13,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 15:34:13,297 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 15:34:13,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 15:34:13,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 15:34:13,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 15:34:13,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:34:13" (1/1) ... [2018-07-21 15:34:13,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ad868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:13, skipping insertion in model container [2018-07-21 15:34:13,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:34:13" (1/1) ... [2018-07-21 15:34:13,575 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 15:34:14,041 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 15:34:14,059 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 15:34:14,317 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 15:34:14,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14 WrapperNode [2018-07-21 15:34:14,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 15:34:14,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 15:34:14,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 15:34:14,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 15:34:14,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (1/1) ... [2018-07-21 15:34:14,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (1/1) ... [2018-07-21 15:34:14,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 15:34:14,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 15:34:14,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 15:34:14,636 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 15:34:14,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (1/1) ... [2018-07-21 15:34:14,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (1/1) ... [2018-07-21 15:34:14,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (1/1) ... [2018-07-21 15:34:14,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (1/1) ... [2018-07-21 15:34:14,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (1/1) ... [2018-07-21 15:34:15,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (1/1) ... [2018-07-21 15:34:15,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (1/1) ... [2018-07-21 15:34:15,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 15:34:15,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 15:34:15,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 15:34:15,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 15:34:15,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (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 15:34:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 15:34:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 15:34:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 15:34:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 15:34:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 15:34:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 15:34:15,147 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 15:34:15,147 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 15:34:19,621 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 15:34:19,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:34:19 BoogieIcfgContainer [2018-07-21 15:34:19,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 15:34:19,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 15:34:19,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 15:34:19,626 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 15:34:19,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:34:13" (1/3) ... [2018-07-21 15:34:19,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c5bfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:34:19, skipping insertion in model container [2018-07-21 15:34:19,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:34:14" (2/3) ... [2018-07-21 15:34:19,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c5bfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:34:19, skipping insertion in model container [2018-07-21 15:34:19,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:34:19" (3/3) ... [2018-07-21 15:34:19,630 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label21_true-unreach-call.c [2018-07-21 15:34:19,640 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 15:34:19,651 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 15:34:19,706 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 15:34:19,707 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 15:34:19,707 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 15:34:19,707 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 15:34:19,708 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 15:34:19,708 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 15:34:19,708 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 15:34:19,708 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 15:34:19,708 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 15:34:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-07-21 15:34:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-21 15:34:19,789 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:34:19,790 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] [2018-07-21 15:34:19,790 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 15:34:19,798 INFO L82 PathProgramCache]: Analyzing trace with hash 2108133993, now seen corresponding path program 1 times [2018-07-21 15:34:19,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:34:19,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:34:19,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:34:19,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:34:19,851 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:34:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:34:20,201 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 15:34:20,224 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 15:34:20,226 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 15:34:20,227 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 15:34:20,227 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:34:20,231 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 15:34:20,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 15:34:20,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 15:34:20,246 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-07-21 15:34:22,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:34:22,141 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2018-07-21 15:34:22,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 15:34:22,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-07-21 15:34:22,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:34:22,164 INFO L225 Difference]: With dead ends: 782 [2018-07-21 15:34:22,164 INFO L226 Difference]: Without dead ends: 487 [2018-07-21 15:34:22,172 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 15:34:22,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-07-21 15:34:22,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 482. [2018-07-21 15:34:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-07-21 15:34:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 843 transitions. [2018-07-21 15:34:22,283 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 843 transitions. Word has length 31 [2018-07-21 15:34:22,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:34:22,284 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 843 transitions. [2018-07-21 15:34:22,284 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 15:34:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 843 transitions. [2018-07-21 15:34:22,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-21 15:34:22,290 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:34:22,290 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:34:22,290 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 15:34:22,291 INFO L82 PathProgramCache]: Analyzing trace with hash 889338759, now seen corresponding path program 1 times [2018-07-21 15:34:22,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:34:22,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:34:22,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:34:22,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:34:22,293 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:34:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:34:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:34:22,771 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 15:34:22,772 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-21 15:34:22,772 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:34:22,774 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 15:34:22,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 15:34:22,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-21 15:34:22,774 INFO L87 Difference]: Start difference. First operand 482 states and 843 transitions. Second operand 7 states. [2018-07-21 15:34:23,017 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-07-21 15:34:31,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:34:31,062 INFO L93 Difference]: Finished difference Result 1760 states and 3239 transitions. [2018-07-21 15:34:31,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-21 15:34:31,063 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2018-07-21 15:34:31,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:34:31,078 INFO L225 Difference]: With dead ends: 1760 [2018-07-21 15:34:31,079 INFO L226 Difference]: Without dead ends: 1284 [2018-07-21 15:34:31,084 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-07-21 15:34:31,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2018-07-21 15:34:31,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1037. [2018-07-21 15:34:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2018-07-21 15:34:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1685 transitions. [2018-07-21 15:34:31,205 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1685 transitions. Word has length 106 [2018-07-21 15:34:31,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:34:31,205 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1685 transitions. [2018-07-21 15:34:31,206 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 15:34:31,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1685 transitions. [2018-07-21 15:34:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-21 15:34:31,213 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:34:31,213 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, 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] [2018-07-21 15:34:31,214 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 15:34:31,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1033491533, now seen corresponding path program 1 times [2018-07-21 15:34:31,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:34:31,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:34:31,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:34:31,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:34:31,221 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:34:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:34:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 48 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 15:34:31,913 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 15:34:31,913 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 15:34:31,914 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-07-21 15:34:31,919 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], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [530], [531], [535], [538], [1108], [1109], [1110], [1111], [1113], [1114] [2018-07-21 15:34:32,009 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 15:34:32,009 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 15:34:38,607 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 15:34:41,834 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 15:34:41,836 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-07-21 15:34:41,879 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 15:34:52,658 INFO L232 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 73.35% of their original sizes. [2018-07-21 15:34:52,658 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 15:34:53,719 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 15:34:53,720 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 15:34:53,720 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-21 15:34:53,721 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:34:53,721 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 15:34:53,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 15:34:53,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-21 15:34:53,722 INFO L87 Difference]: Start difference. First operand 1037 states and 1685 transitions. Second operand 7 states. [2018-07-21 15:36:24,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:36:24,386 INFO L93 Difference]: Finished difference Result 2260 states and 3574 transitions. [2018-07-21 15:36:24,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 15:36:24,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2018-07-21 15:36:24,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:36:24,397 INFO L225 Difference]: With dead ends: 2260 [2018-07-21 15:36:24,398 INFO L226 Difference]: Without dead ends: 1229 [2018-07-21 15:36:24,401 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-21 15:36:24,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2018-07-21 15:36:24,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1227. [2018-07-21 15:36:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2018-07-21 15:36:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1883 transitions. [2018-07-21 15:36:24,465 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1883 transitions. Word has length 179 [2018-07-21 15:36:24,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:36:24,466 INFO L471 AbstractCegarLoop]: Abstraction has 1227 states and 1883 transitions. [2018-07-21 15:36:24,467 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 15:36:24,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1883 transitions. [2018-07-21 15:36:24,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-07-21 15:36:24,473 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:36:24,473 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, 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, 1, 1, 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 15:36:24,474 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 15:36:24,474 INFO L82 PathProgramCache]: Analyzing trace with hash -503189593, now seen corresponding path program 1 times [2018-07-21 15:36:24,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:36:24,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:36:24,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:36:24,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:36:24,475 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:36:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:36:25,106 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-07-21 15:36:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 52 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:36:25,230 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 15:36:25,230 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 15:36:25,230 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-07-21 15:36:25,231 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], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [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 15:36:25,240 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 15:36:25,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 15:36:29,993 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 15:36:59,562 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 15:36:59,563 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 15:36:59,570 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 15:37:04,539 INFO L232 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 73.34% of their original sizes. [2018-07-21 15:37:04,539 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 15:37:05,455 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 15:37:05,456 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 15:37:05,456 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 21 [2018-07-21 15:37:05,456 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:37:05,456 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-21 15:37:05,457 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-21 15:37:05,457 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-07-21 15:37:05,457 INFO L87 Difference]: Start difference. First operand 1227 states and 1883 transitions. Second operand 13 states. Received shutdown request... [2018-07-21 15:37:49,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-21 15:37:49,980 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 15:37:49,984 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 15:37:49,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:37:49 BoogieIcfgContainer [2018-07-21 15:37:49,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 15:37:49,985 INFO L168 Benchmark]: Toolchain (without parser) took 216694.25 ms. Allocated memory was 307.8 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 251.0 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 974.4 MB. Max. memory is 5.3 GB. [2018-07-21 15:37:49,986 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 307.8 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 15:37:49,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1153.48 ms. Allocated memory was 307.8 MB in the beginning and 335.0 MB in the end (delta: 27.3 MB). Free memory was 250.0 MB in the beginning and 291.1 MB in the end (delta: -41.2 MB). Peak memory consumption was 80.0 MB. Max. memory is 5.3 GB. [2018-07-21 15:37:49,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.72 ms. Allocated memory is still 335.0 MB. Free memory was 291.1 MB in the beginning and 272.4 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 5.3 GB. [2018-07-21 15:37:49,988 INFO L168 Benchmark]: Boogie Preprocessor took 434.78 ms. Allocated memory was 335.0 MB in the beginning and 519.0 MB in the end (delta: 184.0 MB). Free memory was 272.4 MB in the beginning and 478.4 MB in the end (delta: -206.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. [2018-07-21 15:37:49,988 INFO L168 Benchmark]: RCFGBuilder took 4551.30 ms. Allocated memory is still 519.0 MB. Free memory was 478.4 MB in the beginning and 289.6 MB in the end (delta: 188.8 MB). Peak memory consumption was 188.8 MB. Max. memory is 5.3 GB. [2018-07-21 15:37:49,989 INFO L168 Benchmark]: TraceAbstraction took 210361.67 ms. Allocated memory was 519.0 MB in the beginning and 2.6 GB in the end (delta: 2.1 GB). Free memory was 289.6 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 801.7 MB. Max. memory is 5.3 GB. [2018-07-21 15:37:49,993 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 307.8 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1153.48 ms. Allocated memory was 307.8 MB in the beginning and 335.0 MB in the end (delta: 27.3 MB). Free memory was 250.0 MB in the beginning and 291.1 MB in the end (delta: -41.2 MB). Peak memory consumption was 80.0 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 182.72 ms. Allocated memory is still 335.0 MB. Free memory was 291.1 MB in the beginning and 272.4 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 434.78 ms. Allocated memory was 335.0 MB in the beginning and 519.0 MB in the end (delta: 184.0 MB). Free memory was 272.4 MB in the beginning and 478.4 MB in the end (delta: -206.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 4551.30 ms. Allocated memory is still 519.0 MB. Free memory was 478.4 MB in the beginning and 289.6 MB in the end (delta: 188.8 MB). Peak memory consumption was 188.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 210361.67 ms. Allocated memory was 519.0 MB in the beginning and 2.6 GB in the end (delta: 2.1 GB). Free memory was 289.6 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 801.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 78). Cancelled while BasicCegarLoop was constructing difference of abstraction (1227states) and interpolant automaton (currently 14 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (1043 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 210.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 145.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 721 SDtfs, 2595 SDslu, 1072 SDs, 0 SdLazy, 5116 SolverSat, 845 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 97.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 430 GetRequests, 390 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1227occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 44.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9949603174603179 AbsIntWeakeningRatio, 0.14 AbsIntAvgWeakeningVarsNumRemoved, 38.65 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 254 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 539 NumberOfCodeBlocks, 539 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 535 ConstructedInterpolants, 0 QuantifiedInterpolants, 632530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 129/268 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_label21_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_15-37-50-005.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem11_label21_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_15-37-50-005.csv Completed graceful shutdown