java -Xmx8000000000 -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 csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label56_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 18:24:39,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 18:24:39,498 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 18:24:39,518 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 18:24:39,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 18:24:39,520 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 18:24:39,522 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 18:24:39,524 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 18:24:39,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 18:24:39,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 18:24:39,530 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 18:24:39,531 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 18:24:39,532 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 18:24:39,533 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 18:24:39,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 18:24:39,537 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 18:24:39,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 18:24:39,549 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 18:24:39,553 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 18:24:39,555 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 18:24:39,557 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 18:24:39,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 18:24:39,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 18:24:39,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 18:24:39,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 18:24:39,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 18:24:39,565 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 18:24:39,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 18:24:39,566 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 18:24:39,569 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 18:24:39,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 18:24:39,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 18:24:39,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 18:24:39,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 18:24:39,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 18:24:39,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 18:24:39,573 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 18:24:39,603 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 18:24:39,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 18:24:39,605 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 18:24:39,605 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 18:24:39,605 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 18:24:39,605 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 18:24:39,606 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 18:24:39,606 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 18:24:39,606 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 18:24:39,606 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 18:24:39,609 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 18:24:39,610 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 18:24:39,610 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 18:24:39,610 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 18:24:39,610 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 18:24:39,610 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 18:24:39,611 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 18:24:39,611 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 18:24:39,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 18:24:39,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 18:24:39,613 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 18:24:39,613 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 18:24:39,613 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 18:24:39,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:24:39,614 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 18:24:39,614 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 18:24:39,614 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 18:24:39,614 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 18:24:39,614 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 18:24:39,615 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 18:24:39,615 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 18:24:39,615 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 18:24:39,615 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 18:24:39,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 18:24:39,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 18:24:39,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 18:24:39,708 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 18:24:39,708 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 18:24:39,709 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label56_false-unreach-call_false-termination.c [2018-07-23 18:24:40,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa174a5b3/6b2e1696244a4ebfb4a6a111f46e105a/FLAGe81c87fe8 [2018-07-23 18:24:40,387 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 18:24:40,388 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label56_false-unreach-call_false-termination.c [2018-07-23 18:24:40,420 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa174a5b3/6b2e1696244a4ebfb4a6a111f46e105a/FLAGe81c87fe8 [2018-07-23 18:24:40,436 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa174a5b3/6b2e1696244a4ebfb4a6a111f46e105a [2018-07-23 18:24:40,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 18:24:40,449 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 18:24:40,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 18:24:40,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 18:24:40,457 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 18:24:40,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:24:40" (1/1) ... [2018-07-23 18:24:40,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9c81f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:40, skipping insertion in model container [2018-07-23 18:24:40,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:24:40" (1/1) ... [2018-07-23 18:24:40,662 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 18:24:40,903 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:24:40,935 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 18:24:41,046 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:24:41,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41 WrapperNode [2018-07-23 18:24:41,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 18:24:41,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 18:24:41,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 18:24:41,096 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 18:24:41,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (1/1) ... [2018-07-23 18:24:41,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (1/1) ... [2018-07-23 18:24:41,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 18:24:41,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 18:24:41,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 18:24:41,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 18:24:41,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (1/1) ... [2018-07-23 18:24:41,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (1/1) ... [2018-07-23 18:24:41,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (1/1) ... [2018-07-23 18:24:41,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (1/1) ... [2018-07-23 18:24:41,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (1/1) ... [2018-07-23 18:24:41,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (1/1) ... [2018-07-23 18:24:41,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (1/1) ... [2018-07-23 18:24:41,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 18:24:41,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 18:24:41,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 18:24:41,298 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 18:24:41,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (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 [2018-07-23 18:24:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 18:24:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 18:24:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 18:24:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 18:24:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 18:24:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 18:24:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-23 18:24:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-23 18:24:44,747 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 18:24:44,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:24:44 BoogieIcfgContainer [2018-07-23 18:24:44,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 18:24:44,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 18:24:44,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 18:24:44,754 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 18:24:44,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:24:40" (1/3) ... [2018-07-23 18:24:44,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa3b46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:24:44, skipping insertion in model container [2018-07-23 18:24:44,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:41" (2/3) ... [2018-07-23 18:24:44,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa3b46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:24:44, skipping insertion in model container [2018-07-23 18:24:44,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:24:44" (3/3) ... [2018-07-23 18:24:44,759 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label56_false-unreach-call_false-termination.c [2018-07-23 18:24:44,770 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 18:24:44,781 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 18:24:44,847 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 18:24:44,848 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 18:24:44,848 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 18:24:44,849 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 18:24:44,849 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 18:24:44,849 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 18:24:44,849 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 18:24:44,850 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 18:24:44,850 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 18:24:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-07-23 18:24:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-07-23 18:24:44,910 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:24:44,914 INFO L353 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] [2018-07-23 18:24:44,915 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:24:44,922 INFO L82 PathProgramCache]: Analyzing trace with hash 2084782869, now seen corresponding path program 1 times [2018-07-23 18:24:44,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:24:44,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:24:44,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:24:44,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:24:44,985 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:24:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:24:45,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:24:45,643 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:24:45,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:24:45,644 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:24:45,654 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:24:45,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:24:45,670 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:24:45,673 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-07-23 18:24:47,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:24:47,340 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-07-23 18:24:47,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:24:47,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2018-07-23 18:24:47,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:24:47,366 INFO L225 Difference]: With dead ends: 550 [2018-07-23 18:24:47,366 INFO L226 Difference]: Without dead ends: 340 [2018-07-23 18:24:47,374 INFO L573 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 [2018-07-23 18:24:47,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-07-23 18:24:47,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-07-23 18:24:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-07-23 18:24:47,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-07-23 18:24:47,457 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 83 [2018-07-23 18:24:47,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:24:47,458 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-07-23 18:24:47,459 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:24:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-07-23 18:24:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 18:24:47,465 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:24:47,465 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 18:24:47,465 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:24:47,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1005347138, now seen corresponding path program 1 times [2018-07-23 18:24:47,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:24:47,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:24:47,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:24:47,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:24:47,468 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:24:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:24:47,648 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:24:47,648 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:24:47,648 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 18:24:47,649 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:24:47,651 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 18:24:47,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 18:24:47,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 18:24:47,652 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-07-23 18:24:49,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:24:49,631 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-07-23 18:24:49,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 18:24:49,632 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-07-23 18:24:49,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:24:49,642 INFO L225 Difference]: With dead ends: 888 [2018-07-23 18:24:49,643 INFO L226 Difference]: Without dead ends: 554 [2018-07-23 18:24:49,648 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 18:24:49,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-07-23 18:24:49,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-07-23 18:24:49,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-07-23 18:24:49,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-07-23 18:24:49,687 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 94 [2018-07-23 18:24:49,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:24:49,688 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-07-23 18:24:49,688 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 18:24:49,688 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-07-23 18:24:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-07-23 18:24:49,691 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:24:49,692 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 18:24:49,692 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:24:49,692 INFO L82 PathProgramCache]: Analyzing trace with hash -21621246, now seen corresponding path program 1 times [2018-07-23 18:24:49,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:24:49,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:24:49,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:24:49,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:24:49,694 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:24:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:24:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:24:49,915 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:24:49,915 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:24:49,915 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:24:49,918 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:24:49,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:24:49,920 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:24:49,920 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-07-23 18:24:51,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:24:51,500 INFO L93 Difference]: Finished difference Result 1530 states and 2432 transitions. [2018-07-23 18:24:51,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:24:51,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2018-07-23 18:24:51,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:24:51,511 INFO L225 Difference]: With dead ends: 1530 [2018-07-23 18:24:51,512 INFO L226 Difference]: Without dead ends: 997 [2018-07-23 18:24:51,516 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:24:51,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-07-23 18:24:51,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-07-23 18:24:51,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-07-23 18:24:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1488 transitions. [2018-07-23 18:24:51,567 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1488 transitions. Word has length 95 [2018-07-23 18:24:51,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:24:51,568 INFO L471 AbstractCegarLoop]: Abstraction has 997 states and 1488 transitions. [2018-07-23 18:24:51,568 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:24:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1488 transitions. [2018-07-23 18:24:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-07-23 18:24:51,575 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:24:51,576 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:24:51,576 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:24:51,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1137777122, now seen corresponding path program 1 times [2018-07-23 18:24:51,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:24:51,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:24:51,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:24:51,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:24:51,579 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:24:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:24:51,841 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 18:24:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:24:52,282 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:24:52,287 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 18:24:52,287 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:24:52,288 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 18:24:52,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 18:24:52,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 18:24:52,292 INFO L87 Difference]: Start difference. First operand 997 states and 1488 transitions. Second operand 6 states. [2018-07-23 18:24:55,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:24:55,600 INFO L93 Difference]: Finished difference Result 2927 states and 4616 transitions. [2018-07-23 18:24:55,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 18:24:55,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-07-23 18:24:55,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:24:55,623 INFO L225 Difference]: With dead ends: 2927 [2018-07-23 18:24:55,624 INFO L226 Difference]: Without dead ends: 1936 [2018-07-23 18:24:55,634 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 18:24:55,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2018-07-23 18:24:55,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1881. [2018-07-23 18:24:55,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-07-23 18:24:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2656 transitions. [2018-07-23 18:24:55,729 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2656 transitions. Word has length 109 [2018-07-23 18:24:55,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:24:55,729 INFO L471 AbstractCegarLoop]: Abstraction has 1881 states and 2656 transitions. [2018-07-23 18:24:55,730 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 18:24:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2656 transitions. [2018-07-23 18:24:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-07-23 18:24:55,736 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:24:55,736 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:24:55,737 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:24:55,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1253112274, now seen corresponding path program 1 times [2018-07-23 18:24:55,738 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:24:55,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:24:55,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:24:55,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:24:55,739 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:24:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:24:56,083 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 18:24:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-23 18:24:56,220 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:24:56,220 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:24:56,221 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 118 with the following transitions: [2018-07-23 18:24:56,224 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [270], [274], [278], [282], [286], [290], [297], [305], [313], [321], [325], [327], [781], [782], [783], [784], [786], [787] [2018-07-23 18:24:56,330 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:24:56,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 18:25:15,762 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 18:25:15,764 INFO L272 AbstractInterpreter]: Visited 68 different actions 68 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-07-23 18:25:15,779 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 18:25:19,392 INFO L232 lantSequenceWeakener]: Weakened 97 states. On average, predicates are now at 79.78% of their original sizes. [2018-07-23 18:25:19,393 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 18:25:20,815 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 18:25:20,816 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 18:25:20,817 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2018-07-23 18:25:20,817 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:25:20,817 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 18:25:20,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 18:25:20,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-07-23 18:25:20,818 INFO L87 Difference]: Start difference. First operand 1881 states and 2656 transitions. Second operand 12 states. [2018-07-23 18:25:37,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:25:37,411 INFO L93 Difference]: Finished difference Result 3817 states and 5396 transitions. [2018-07-23 18:25:37,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 18:25:37,412 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2018-07-23 18:25:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:25:37,425 INFO L225 Difference]: With dead ends: 3817 [2018-07-23 18:25:37,425 INFO L226 Difference]: Without dead ends: 1942 [2018-07-23 18:25:37,432 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 122 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-07-23 18:25:37,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2018-07-23 18:25:37,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1942. [2018-07-23 18:25:37,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1942 states. [2018-07-23 18:25:37,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1942 states and 2726 transitions. [2018-07-23 18:25:37,509 INFO L78 Accepts]: Start accepts. Automaton has 1942 states and 2726 transitions. Word has length 117 [2018-07-23 18:25:37,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:25:37,509 INFO L471 AbstractCegarLoop]: Abstraction has 1942 states and 2726 transitions. [2018-07-23 18:25:37,509 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 18:25:37,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2726 transitions. [2018-07-23 18:25:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-23 18:25:37,515 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:25:37,515 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:25:37,516 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:25:37,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1680144231, now seen corresponding path program 1 times [2018-07-23 18:25:37,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:25:37,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:37,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:25:37,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:37,519 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:25:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:25:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:25:37,742 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:25:37,742 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:25:37,743 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 120 with the following transitions: [2018-07-23 18:25:37,743 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [101], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [270], [274], [278], [282], [286], [290], [297], [305], [313], [321], [325], [327], [781], [782], [783], [784], [786], [787] [2018-07-23 18:25:37,750 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:25:37,751 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 18:27:08,371 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 18:27:08,371 INFO L272 AbstractInterpreter]: Visited 87 different actions 153 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-07-23 18:27:08,381 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 18:27:18,161 INFO L232 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 80% of their original sizes. [2018-07-23 18:27:18,161 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 18:27:21,125 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 18:27:21,126 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 18:27:21,126 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-07-23 18:27:21,126 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:27:21,126 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 18:27:21,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 18:27:21,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-07-23 18:27:21,127 INFO L87 Difference]: Start difference. First operand 1942 states and 2726 transitions. Second operand 19 states. [2018-07-23 18:27:52,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:27:52,175 INFO L93 Difference]: Finished difference Result 3962 states and 5574 transitions. [2018-07-23 18:27:52,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 18:27:52,176 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 119 [2018-07-23 18:27:52,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:27:52,190 INFO L225 Difference]: With dead ends: 3962 [2018-07-23 18:27:52,190 INFO L226 Difference]: Without dead ends: 2087 [2018-07-23 18:27:52,197 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 137 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 18:27:52,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2018-07-23 18:27:52,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 2080. [2018-07-23 18:27:52,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2018-07-23 18:27:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2871 transitions. [2018-07-23 18:27:52,272 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2871 transitions. Word has length 119 [2018-07-23 18:27:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:27:52,273 INFO L471 AbstractCegarLoop]: Abstraction has 2080 states and 2871 transitions. [2018-07-23 18:27:52,273 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 18:27:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2871 transitions. [2018-07-23 18:27:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-07-23 18:27:52,279 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:27:52,279 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:27:52,279 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:27:52,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1007961397, now seen corresponding path program 1 times [2018-07-23 18:27:52,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:27:52,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:27:52,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:27:52,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:27:52,281 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:27:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:27:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:27:52,713 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:27:52,713 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:27:52,714 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 122 with the following transitions: [2018-07-23 18:27:52,714 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [30], [34], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [270], [274], [278], [282], [286], [290], [297], [305], [313], [321], [325], [327], [781], [782], [783], [784], [786], [787] [2018-07-23 18:27:52,723 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:27:52,723 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 18:28:54,773 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 18:28:54,774 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 18:28:54,776 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 18:28:54,776 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:28:54,777 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 18:28:54,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:28:54,788 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 18:28:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:28:54,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 18:28:54,947 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 18:28:55,149 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 18:28:55,150 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 18:28:55,156 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 18:28:55,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:28:55 BoogieIcfgContainer [2018-07-23 18:28:55,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 18:28:55,157 INFO L168 Benchmark]: Toolchain (without parser) took 254709.01 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 591.9 MB. Max. memory is 7.1 GB. [2018-07-23 18:28:55,158 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 18:28:55,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.64 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. [2018-07-23 18:28:55,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.06 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 18:28:55,161 INFO L168 Benchmark]: Boogie Preprocessor took 117.88 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. [2018-07-23 18:28:55,161 INFO L168 Benchmark]: RCFGBuilder took 3451.21 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -718.5 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. [2018-07-23 18:28:55,162 INFO L168 Benchmark]: TraceAbstraction took 250406.62 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 919.6 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -400.6 MB). Peak memory consumption was 519.0 MB. Max. memory is 7.1 GB. [2018-07-23 18:28:55,172 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.64 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 83.06 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.88 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. * RCFGBuilder took 3451.21 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -718.5 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 250406.62 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 919.6 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -400.6 MB). Peak memory consumption was 519.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 404]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 404). Cancelled while BasicCegarLoop was analyzing trace of length 122 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 250.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 56.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 862 SDtfs, 2981 SDslu, 845 SDs, 0 SdLazy, 4026 SolverSat, 686 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 289 GetRequests, 216 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2080occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 172.2s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9932596761865055 AbsIntWeakeningRatio, 0.27350427350427353 AbsIntAvgWeakeningVarsNumRemoved, 1312.2564102564102 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 77 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 617 NumberOfCodeBlocks, 617 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 611 ConstructedInterpolants, 0 QuantifiedInterpolants, 169715 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 81/110 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/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label56_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_18-28-55-186.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label56_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_18-28-55-186.csv Completed graceful shutdown