java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label43_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 23:07:07,440 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 23:07:07,442 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 23:07:07,458 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 23:07:07,459 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 23:07:07,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 23:07:07,461 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 23:07:07,463 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 23:07:07,465 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 23:07:07,465 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 23:07:07,466 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 23:07:07,467 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 23:07:07,468 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 23:07:07,470 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 23:07:07,474 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 23:07:07,475 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 23:07:07,479 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 23:07:07,481 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 23:07:07,483 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 23:07:07,486 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 23:07:07,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 23:07:07,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 23:07:07,494 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 23:07:07,494 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 23:07:07,494 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 23:07:07,496 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 23:07:07,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 23:07:07,499 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 23:07:07,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 23:07:07,503 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 23:07:07,503 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 23:07:07,505 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-06 23:07:07,505 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 23:07:07,505 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 23:07:07,506 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 23:07:07,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 23:07:07,509 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-06 23:07:07,539 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 23:07:07,539 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 23:07:07,540 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 23:07:07,541 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-06 23:07:07,542 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-06 23:07:07,542 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-06 23:07:07,542 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-06 23:07:07,542 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-06 23:07:07,543 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-06 23:07:07,543 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-06 23:07:07,543 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-06 23:07:07,543 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-06 23:07:07,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 23:07:07,544 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 23:07:07,546 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 23:07:07,546 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 23:07:07,546 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 23:07:07,546 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 23:07:07,546 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 23:07:07,547 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 23:07:07,547 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 23:07:07,547 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 23:07:07,547 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 23:07:07,547 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 23:07:07,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 23:07:07,550 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 23:07:07,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 23:07:07,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 23:07:07,550 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-06 23:07:07,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 23:07:07,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 23:07:07,551 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 23:07:07,551 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 23:07:07,551 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-06 23:07:07,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 23:07:07,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 23:07:07,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 23:07:07,630 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 23:07:07,630 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 23:07:07,631 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label43_false-unreach-call_false-termination.c [2018-11-06 23:07:07,704 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19aa341eb/d4d2d7086724442e9b9e89947dbb130e/FLAG8eceeb7dc [2018-11-06 23:07:08,284 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 23:07:08,287 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label43_false-unreach-call_false-termination.c [2018-11-06 23:07:08,313 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19aa341eb/d4d2d7086724442e9b9e89947dbb130e/FLAG8eceeb7dc [2018-11-06 23:07:08,327 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19aa341eb/d4d2d7086724442e9b9e89947dbb130e [2018-11-06 23:07:08,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 23:07:08,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 23:07:08,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 23:07:08,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 23:07:08,344 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 23:07:08,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:08" (1/1) ... [2018-11-06 23:07:08,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5979188f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08, skipping insertion in model container [2018-11-06 23:07:08,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:08" (1/1) ... [2018-11-06 23:07:08,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 23:07:08,419 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 23:07:08,942 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 23:07:08,948 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 23:07:09,068 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 23:07:09,088 INFO L193 MainTranslator]: Completed translation [2018-11-06 23:07:09,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09 WrapperNode [2018-11-06 23:07:09,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 23:07:09,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 23:07:09,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 23:07:09,090 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 23:07:09,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (1/1) ... [2018-11-06 23:07:09,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (1/1) ... [2018-11-06 23:07:09,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 23:07:09,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 23:07:09,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 23:07:09,128 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 23:07:09,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (1/1) ... [2018-11-06 23:07:09,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (1/1) ... [2018-11-06 23:07:09,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (1/1) ... [2018-11-06 23:07:09,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (1/1) ... [2018-11-06 23:07:09,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (1/1) ... [2018-11-06 23:07:09,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (1/1) ... [2018-11-06 23:07:09,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (1/1) ... [2018-11-06 23:07:09,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 23:07:09,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 23:07:09,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 23:07:09,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 23:07:09,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (1/1) ... No working directory specified, using /storage/repos/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 [2018-11-06 23:07:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 23:07:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-06 23:07:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-06 23:07:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-06 23:07:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-06 23:07:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 23:07:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 23:07:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-06 23:07:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-06 23:07:12,696 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 23:07:12,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:12 BoogieIcfgContainer [2018-11-06 23:07:12,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 23:07:12,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 23:07:12,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 23:07:12,710 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 23:07:12,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:07:08" (1/3) ... [2018-11-06 23:07:12,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3202441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:07:12, skipping insertion in model container [2018-11-06 23:07:12,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:09" (2/3) ... [2018-11-06 23:07:12,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3202441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:07:12, skipping insertion in model container [2018-11-06 23:07:12,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:12" (3/3) ... [2018-11-06 23:07:12,717 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label43_false-unreach-call_false-termination.c [2018-11-06 23:07:12,729 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 23:07:12,741 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 23:07:12,759 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 23:07:12,799 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 23:07:12,800 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 23:07:12,800 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 23:07:12,800 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 23:07:12,800 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 23:07:12,800 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 23:07:12,801 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 23:07:12,801 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 23:07:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-06 23:07:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-06 23:07:12,840 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:07:12,841 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:07:12,844 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:07:12,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:07:12,851 INFO L82 PathProgramCache]: Analyzing trace with hash -66400536, now seen corresponding path program 1 times [2018-11-06 23:07:12,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:07:12,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:12,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:07:12,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:12,904 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:07:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:07:13,508 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-06 23:07:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:07:13,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 23:07:13,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 23:07:13,676 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:07:13,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 23:07:13,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 23:07:13,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 23:07:13,707 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-06 23:07:15,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:07:15,467 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-11-06 23:07:15,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 23:07:15,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-06 23:07:15,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:07:15,490 INFO L225 Difference]: With dead ends: 627 [2018-11-06 23:07:15,491 INFO L226 Difference]: Without dead ends: 388 [2018-11-06 23:07:15,498 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 23:07:15,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-06 23:07:15,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-11-06 23:07:15,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-06 23:07:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-11-06 23:07:15,576 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 92 [2018-11-06 23:07:15,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:07:15,577 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-11-06 23:07:15,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 23:07:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-11-06 23:07:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-06 23:07:15,584 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:07:15,584 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:07:15,585 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:07:15,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:07:15,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1225678731, now seen corresponding path program 1 times [2018-11-06 23:07:15,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:07:15,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:15,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:07:15,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:15,587 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:07:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:07:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:07:15,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 23:07:15,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-06 23:07:15,817 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:07:15,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 23:07:15,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 23:07:15,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-06 23:07:15,820 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 6 states. [2018-11-06 23:07:19,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:07:19,167 INFO L93 Difference]: Finished difference Result 1497 states and 2584 transitions. [2018-11-06 23:07:19,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-06 23:07:19,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-11-06 23:07:19,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:07:19,185 INFO L225 Difference]: With dead ends: 1497 [2018-11-06 23:07:19,185 INFO L226 Difference]: Without dead ends: 1120 [2018-11-06 23:07:19,196 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-06 23:07:19,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-11-06 23:07:19,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1106. [2018-11-06 23:07:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1106 states. [2018-11-06 23:07:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1606 transitions. [2018-11-06 23:07:19,316 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1606 transitions. Word has length 101 [2018-11-06 23:07:19,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:07:19,316 INFO L480 AbstractCegarLoop]: Abstraction has 1106 states and 1606 transitions. [2018-11-06 23:07:19,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 23:07:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1606 transitions. [2018-11-06 23:07:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-06 23:07:19,331 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:07:19,331 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:07:19,332 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:07:19,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:07:19,333 INFO L82 PathProgramCache]: Analyzing trace with hash -619893462, now seen corresponding path program 1 times [2018-11-06 23:07:19,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:07:19,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:19,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:07:19,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:19,335 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:07:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:07:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:07:19,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 23:07:19,708 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-06 23:07:19,708 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 120 with the following transitions: [2018-11-06 23:07:19,717 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [407], [409], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-06 23:07:19,792 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-06 23:07:19,792 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-06 23:07:34,726 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-06 23:07:34,727 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-06 23:07:34,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:07:34,739 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-06 23:07:39,833 INFO L227 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 80.87% of their original sizes. [2018-11-06 23:07:39,834 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-06 23:07:43,334 INFO L415 sIntCurrentIteration]: We unified 118 AI predicates to 118 [2018-11-06 23:07:43,335 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-06 23:07:43,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 23:07:43,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [7] total 19 [2018-11-06 23:07:43,336 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:07:43,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-06 23:07:43,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-06 23:07:43,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-06 23:07:43,338 INFO L87 Difference]: Start difference. First operand 1106 states and 1606 transitions. Second operand 14 states. [2018-11-06 23:09:40,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:09:40,654 INFO L93 Difference]: Finished difference Result 2506 states and 3585 transitions. [2018-11-06 23:09:40,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-06 23:09:40,654 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 119 [2018-11-06 23:09:40,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:09:40,664 INFO L225 Difference]: With dead ends: 2506 [2018-11-06 23:09:40,665 INFO L226 Difference]: Without dead ends: 1406 [2018-11-06 23:09:40,670 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 131 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-06 23:09:40,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2018-11-06 23:09:40,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1253. [2018-11-06 23:09:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1253 states. [2018-11-06 23:09:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1763 transitions. [2018-11-06 23:09:40,805 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1763 transitions. Word has length 119 [2018-11-06 23:09:40,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:09:40,806 INFO L480 AbstractCegarLoop]: Abstraction has 1253 states and 1763 transitions. [2018-11-06 23:09:40,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-06 23:09:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1763 transitions. [2018-11-06 23:09:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-06 23:09:40,811 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:09:40,811 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:09:40,811 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:09:40,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:09:40,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1340443610, now seen corresponding path program 1 times [2018-11-06 23:09:40,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:09:40,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:09:40,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:09:40,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:09:40,814 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:09:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:09:41,049 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-06 23:09:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:09:41,294 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 23:09:41,294 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-06 23:09:41,294 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-11-06 23:09:41,295 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [407], [409], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-06 23:09:41,300 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-06 23:09:41,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-06 23:10:06,966 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-06 23:10:06,966 INFO L272 AbstractInterpreter]: Visited 96 different actions 186 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-06 23:10:06,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:10:06,973 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-06 23:10:12,498 INFO L227 lantSequenceWeakener]: Weakened 8 states. On average, predicates are now at 83.68% of their original sizes. [2018-11-06 23:10:12,498 INFO L413 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-11-06 23:11:20,043 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 23:11:20,050 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 23:11:20,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:11:20 BoogieIcfgContainer [2018-11-06 23:11:20,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 23:11:20,052 INFO L168 Benchmark]: Toolchain (without parser) took 251712.06 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -852.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-06 23:11:20,053 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 23:11:20,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-06 23:11:20,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 23:11:20,055 INFO L168 Benchmark]: Boogie Preprocessor took 189.92 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -806.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-11-06 23:11:20,056 INFO L168 Benchmark]: RCFGBuilder took 3385.22 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 7.1 GB. [2018-11-06 23:11:20,057 INFO L168 Benchmark]: TraceAbstraction took 247346.67 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -184.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-06 23:11:20,063 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 189.92 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -806.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3385.22 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 247346.67 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -184.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 427]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 427). Cancelled while BasicCegarLoop was analyzing trace of length 128 with TraceHistMax 3,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 17 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 247.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 122.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 539 SDtfs, 2492 SDslu, 487 SDs, 0 SdLazy, 2200 SolverSat, 562 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 67.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 147 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1253occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 40.7s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9933948184595297 AbsIntWeakeningRatio, 0.25 AbsIntAvgWeakeningVarsNumRemoved, 835.6598360655738 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 172 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 115634 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 24/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown