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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 11:31:05,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 11:31:05,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 11:31:05,022 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 11:31:05,023 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 11:31:05,024 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 11:31:05,026 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 11:31:05,028 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 11:31:05,029 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 11:31:05,030 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 11:31:05,031 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 11:31:05,031 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 11:31:05,032 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 11:31:05,034 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 11:31:05,035 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 11:31:05,036 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 11:31:05,036 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 11:31:05,038 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 11:31:05,041 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 11:31:05,042 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 11:31:05,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 11:31:05,045 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 11:31:05,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-10 11:31:05,057 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-10 11:31:05,073 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 11:31:05,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 11:31:05,075 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 11:31:05,075 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 11:31:05,075 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 11:31:05,075 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 11:31:05,077 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 11:31:05,078 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 11:31:05,078 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 11:31:05,078 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 11:31:05,078 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 11:31:05,080 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 11:31:05,080 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 11:31:05,080 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 11:31:05,080 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 11:31:05,080 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 11:31:05,081 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 11:31:05,081 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 11:31:05,081 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 11:31:05,081 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 11:31:05,082 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 11:31:05,083 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 11:31:05,083 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 11:31:05,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 11:31:05,083 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 11:31:05,084 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 11:31:05,084 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 11:31:05,084 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 11:31:05,084 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 11:31:05,084 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 11:31:05,084 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 11:31:05,085 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 11:31:05,085 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 11:31:05,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 11:31:05,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 11:31:05,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 11:31:05,182 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 11:31:05,183 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 11:31:05,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-09-10 11:31:05,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc921298f/a65caaa6cb35473cb6e9d87362229016/FLAG6dfc7e3fa [2018-09-10 11:31:05,903 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 11:31:05,904 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-09-10 11:31:05,932 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc921298f/a65caaa6cb35473cb6e9d87362229016/FLAG6dfc7e3fa [2018-09-10 11:31:05,955 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc921298f/a65caaa6cb35473cb6e9d87362229016 [2018-09-10 11:31:05,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 11:31:05,975 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 11:31:05,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 11:31:05,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 11:31:05,993 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 11:31:05,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:31:05" (1/1) ... [2018-09-10 11:31:05,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aecc83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:05, skipping insertion in model container [2018-09-10 11:31:05,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:31:05" (1/1) ... [2018-09-10 11:31:06,273 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 11:31:06,602 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 11:31:06,621 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 11:31:06,773 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 11:31:06,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06 WrapperNode [2018-09-10 11:31:06,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 11:31:06,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 11:31:06,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 11:31:06,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 11:31:06,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (1/1) ... [2018-09-10 11:31:06,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (1/1) ... [2018-09-10 11:31:06,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 11:31:06,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 11:31:06,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 11:31:06,960 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 11:31:07,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (1/1) ... [2018-09-10 11:31:07,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (1/1) ... [2018-09-10 11:31:07,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (1/1) ... [2018-09-10 11:31:07,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (1/1) ... [2018-09-10 11:31:07,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (1/1) ... [2018-09-10 11:31:07,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (1/1) ... [2018-09-10 11:31:07,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (1/1) ... [2018-09-10 11:31:07,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 11:31:07,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 11:31:07,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 11:31:07,245 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 11:31:07,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (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 [2018-09-10 11:31:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 11:31:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 11:31:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-10 11:31:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-10 11:31:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 11:31:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 11:31:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 11:31:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 11:31:11,129 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 11:31:11,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:31:11 BoogieIcfgContainer [2018-09-10 11:31:11,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 11:31:11,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 11:31:11,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 11:31:11,139 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 11:31:11,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:31:05" (1/3) ... [2018-09-10 11:31:11,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edaefba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:31:11, skipping insertion in model container [2018-09-10 11:31:11,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:06" (2/3) ... [2018-09-10 11:31:11,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edaefba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:31:11, skipping insertion in model container [2018-09-10 11:31:11,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:31:11" (3/3) ... [2018-09-10 11:31:11,144 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label13_true-unreach-call.c [2018-09-10 11:31:11,155 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 11:31:11,166 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 11:31:11,229 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 11:31:11,230 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 11:31:11,230 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 11:31:11,230 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 11:31:11,230 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 11:31:11,230 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 11:31:11,231 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 11:31:11,231 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 11:31:11,231 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 11:31:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-10 11:31:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-10 11:31:11,283 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:31:11,284 INFO L376 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] [2018-09-10 11:31:11,286 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 11:31:11,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1833590460, now seen corresponding path program 1 times [2018-09-10 11:31:11,294 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:31:11,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:11,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:11,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:11,352 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:31:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:11,844 WARN L175 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 11:31:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:31:11,926 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 11:31:11,927 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-10 11:31:11,927 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 11:31:11,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 11:31:11,949 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 11:31:11,949 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 11:31:11,952 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-09-10 11:31:15,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 11:31:15,840 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-09-10 11:31:15,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 11:31:15,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-09-10 11:31:15,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 11:31:15,864 INFO L225 Difference]: With dead ends: 574 [2018-09-10 11:31:15,864 INFO L226 Difference]: Without dead ends: 356 [2018-09-10 11:31:15,872 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 11:31:15,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-09-10 11:31:15,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-09-10 11:31:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-10 11:31:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 612 transitions. [2018-09-10 11:31:15,950 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 612 transitions. Word has length 62 [2018-09-10 11:31:15,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 11:31:15,951 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 612 transitions. [2018-09-10 11:31:15,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 11:31:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 612 transitions. [2018-09-10 11:31:15,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-10 11:31:15,960 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:31:15,961 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 11:31:15,961 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 11:31:15,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1755606940, now seen corresponding path program 1 times [2018-09-10 11:31:15,962 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:31:15,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:15,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:15,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:15,964 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:31:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-10 11:31:16,324 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 11:31:16,324 INFO L197 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 [2018-09-10 11:31:16,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:16,347 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 11:31:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:16,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 11:31:16,653 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:31:16,653 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 11:31:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:31:17,000 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 11:31:17,001 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2018-09-10 11:31:17,001 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 11:31:17,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 11:31:17,003 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 11:31:17,003 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 11:31:17,005 INFO L87 Difference]: Start difference. First operand 356 states and 612 transitions. Second operand 3 states. [2018-09-10 11:31:19,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 11:31:19,012 INFO L93 Difference]: Finished difference Result 994 states and 1779 transitions. [2018-09-10 11:31:19,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 11:31:19,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-09-10 11:31:19,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 11:31:19,022 INFO L225 Difference]: With dead ends: 994 [2018-09-10 11:31:19,023 INFO L226 Difference]: Without dead ends: 644 [2018-09-10 11:31:19,027 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 279 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 11:31:19,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2018-09-10 11:31:19,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2018-09-10 11:31:19,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2018-09-10 11:31:19,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1057 transitions. [2018-09-10 11:31:19,073 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1057 transitions. Word has length 140 [2018-09-10 11:31:19,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 11:31:19,074 INFO L480 AbstractCegarLoop]: Abstraction has 644 states and 1057 transitions. [2018-09-10 11:31:19,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 11:31:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1057 transitions. [2018-09-10 11:31:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-09-10 11:31:19,081 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:31:19,081 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 11:31:19,082 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 11:31:19,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1187218136, now seen corresponding path program 1 times [2018-09-10 11:31:19,082 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:31:19,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:19,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:19,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:19,084 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:31:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:31:19,561 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 11:31:19,562 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 11:31:19,562 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 11:31:19,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 11:31:19,563 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 11:31:19,563 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-10 11:31:19,564 INFO L87 Difference]: Start difference. First operand 644 states and 1057 transitions. Second operand 5 states. [2018-09-10 11:31:24,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 11:31:24,264 INFO L93 Difference]: Finished difference Result 1767 states and 3000 transitions. [2018-09-10 11:31:24,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 11:31:24,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2018-09-10 11:31:24,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 11:31:24,278 INFO L225 Difference]: With dead ends: 1767 [2018-09-10 11:31:24,278 INFO L226 Difference]: Without dead ends: 1129 [2018-09-10 11:31:24,282 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-10 11:31:24,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2018-09-10 11:31:24,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1121. [2018-09-10 11:31:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2018-09-10 11:31:24,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1840 transitions. [2018-09-10 11:31:24,355 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1840 transitions. Word has length 182 [2018-09-10 11:31:24,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 11:31:24,356 INFO L480 AbstractCegarLoop]: Abstraction has 1121 states and 1840 transitions. [2018-09-10 11:31:24,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 11:31:24,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1840 transitions. [2018-09-10 11:31:24,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-09-10 11:31:24,366 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:31:24,366 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-10 11:31:24,367 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 11:31:24,367 INFO L82 PathProgramCache]: Analyzing trace with hash 751323799, now seen corresponding path program 1 times [2018-09-10 11:31:24,367 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:31:24,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:24,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:24,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:24,370 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:31:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:31:25,079 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 11:31:25,080 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 11:31:25,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:25,090 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 11:31:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:25,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 11:31:25,653 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:31:25,653 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 11:31:25,821 WARN L175 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-10 11:31:25,929 WARN L175 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-10 11:31:26,337 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:31:26,370 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 11:31:26,370 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 11:31:26,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:26,422 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 11:31:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:26,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 11:31:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:31:26,784 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 11:31:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:31:27,251 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 11:31:27,251 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5, 5, 5] total 20 [2018-09-10 11:31:27,252 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 11:31:27,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-10 11:31:27,253 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-10 11:31:27,253 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2018-09-10 11:31:27,253 INFO L87 Difference]: Start difference. First operand 1121 states and 1840 transitions. Second operand 14 states. [2018-09-10 11:31:29,218 WARN L175 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-09-10 11:31:29,948 WARN L175 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-09-10 11:31:35,668 WARN L175 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2018-09-10 11:31:38,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 11:31:38,184 INFO L93 Difference]: Finished difference Result 3544 states and 6887 transitions. [2018-09-10 11:31:38,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-09-10 11:31:38,185 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 253 [2018-09-10 11:31:38,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 11:31:38,214 INFO L225 Difference]: With dead ends: 3544 [2018-09-10 11:31:38,214 INFO L226 Difference]: Without dead ends: 2573 [2018-09-10 11:31:38,228 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1082 GetRequests, 1023 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=783, Invalid=2523, Unknown=0, NotChecked=0, Total=3306 [2018-09-10 11:31:38,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2018-09-10 11:31:38,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 2282. [2018-09-10 11:31:38,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2282 states. [2018-09-10 11:31:38,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 3365 transitions. [2018-09-10 11:31:38,345 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 3365 transitions. Word has length 253 [2018-09-10 11:31:38,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 11:31:38,346 INFO L480 AbstractCegarLoop]: Abstraction has 2282 states and 3365 transitions. [2018-09-10 11:31:38,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-10 11:31:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 3365 transitions. [2018-09-10 11:31:38,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-09-10 11:31:38,356 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:31:38,356 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 11:31:38,357 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 11:31:38,357 INFO L82 PathProgramCache]: Analyzing trace with hash 377090236, now seen corresponding path program 1 times [2018-09-10 11:31:38,357 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:31:38,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:38,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:38,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:38,359 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:31:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 110 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 11:31:38,668 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 11:31:38,668 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 11:31:38,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:38,676 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 11:31:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:38,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 11:31:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-09-10 11:31:39,033 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 11:31:39,546 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 110 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 11:31:39,574 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 11:31:39,574 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-10 11:31:39,575 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 11:31:39,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 11:31:39,575 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 11:31:39,575 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-09-10 11:31:39,576 INFO L87 Difference]: Start difference. First operand 2282 states and 3365 transitions. Second operand 5 states. [2018-09-10 11:31:40,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 11:31:40,757 INFO L93 Difference]: Finished difference Result 4477 states and 6980 transitions. [2018-09-10 11:31:40,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 11:31:40,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2018-09-10 11:31:40,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 11:31:40,774 INFO L225 Difference]: With dead ends: 4477 [2018-09-10 11:31:40,774 INFO L226 Difference]: Without dead ends: 2345 [2018-09-10 11:31:40,783 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 550 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-09-10 11:31:40,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2018-09-10 11:31:40,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2282. [2018-09-10 11:31:40,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2282 states. [2018-09-10 11:31:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 3173 transitions. [2018-09-10 11:31:40,855 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 3173 transitions. Word has length 278 [2018-09-10 11:31:40,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 11:31:40,855 INFO L480 AbstractCegarLoop]: Abstraction has 2282 states and 3173 transitions. [2018-09-10 11:31:40,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 11:31:40,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 3173 transitions. [2018-09-10 11:31:40,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-09-10 11:31:40,866 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:31:40,866 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 11:31:40,867 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 11:31:40,867 INFO L82 PathProgramCache]: Analyzing trace with hash -507351192, now seen corresponding path program 1 times [2018-09-10 11:31:40,867 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:31:40,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:40,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:40,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:40,868 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:31:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:41,156 WARN L175 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 11:31:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 110 proven. 115 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 11:31:41,641 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 11:31:41,641 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 11:31:41,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:41,669 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 11:31:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:41,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 11:31:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-09-10 11:31:42,056 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 11:31:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 110 proven. 115 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 11:31:42,244 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 11:31:42,245 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-10 11:31:42,245 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 11:31:42,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 11:31:42,245 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 11:31:42,246 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-09-10 11:31:42,246 INFO L87 Difference]: Start difference. First operand 2282 states and 3173 transitions. Second operand 5 states. [2018-09-10 11:31:46,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 11:31:46,511 INFO L93 Difference]: Finished difference Result 5486 states and 7866 transitions. [2018-09-10 11:31:46,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 11:31:46,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 304 [2018-09-10 11:31:46,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 11:31:46,529 INFO L225 Difference]: With dead ends: 5486 [2018-09-10 11:31:46,530 INFO L226 Difference]: Without dead ends: 3354 [2018-09-10 11:31:46,540 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 602 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-09-10 11:31:46,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3354 states. [2018-09-10 11:31:46,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3354 to 3233. [2018-09-10 11:31:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3233 states. [2018-09-10 11:31:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 3233 states and 4284 transitions. [2018-09-10 11:31:46,631 INFO L78 Accepts]: Start accepts. Automaton has 3233 states and 4284 transitions. Word has length 304 [2018-09-10 11:31:46,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 11:31:46,632 INFO L480 AbstractCegarLoop]: Abstraction has 3233 states and 4284 transitions. [2018-09-10 11:31:46,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 11:31:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 4284 transitions. [2018-09-10 11:31:46,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-09-10 11:31:46,649 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:31:46,649 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 11:31:46,650 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 11:31:46,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1190754612, now seen corresponding path program 1 times [2018-09-10 11:31:46,650 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:31:46,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:46,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:46,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:46,652 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:31:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:46,939 WARN L175 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 11:31:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 171 proven. 154 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-09-10 11:31:47,163 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 11:31:47,163 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 11:31:47,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:47,172 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 11:31:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:47,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 11:31:47,415 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-09-10 11:31:47,415 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 11:31:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 246 proven. 77 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-10 11:31:47,723 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 11:31:47,723 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 11:31:47,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:47,756 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 11:31:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:48,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 11:31:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-09-10 11:31:48,720 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 11:31:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 246 proven. 77 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-10 11:31:48,993 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 11:31:48,993 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5, 5, 5] total 15 [2018-09-10 11:31:48,993 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 11:31:48,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-10 11:31:48,995 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-10 11:31:48,995 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-09-10 11:31:48,995 INFO L87 Difference]: Start difference. First operand 3233 states and 4284 transitions. Second operand 11 states. [2018-09-10 11:31:53,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 11:31:53,012 INFO L93 Difference]: Finished difference Result 7698 states and 10473 transitions. [2018-09-10 11:31:53,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-10 11:31:53,012 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 340 [2018-09-10 11:31:53,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 11:31:53,022 INFO L225 Difference]: With dead ends: 7698 [2018-09-10 11:31:53,022 INFO L226 Difference]: Without dead ends: 2242 [2018-09-10 11:31:53,052 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1393 GetRequests, 1360 SyntacticMatches, 9 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2018-09-10 11:31:53,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2018-09-10 11:31:53,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 1582. [2018-09-10 11:31:53,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2018-09-10 11:31:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 1819 transitions. [2018-09-10 11:31:53,099 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 1819 transitions. Word has length 340 [2018-09-10 11:31:53,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 11:31:53,099 INFO L480 AbstractCegarLoop]: Abstraction has 1582 states and 1819 transitions. [2018-09-10 11:31:53,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-10 11:31:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 1819 transitions. [2018-09-10 11:31:53,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-09-10 11:31:53,109 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:31:53,110 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 11:31:53,110 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 11:31:53,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1201621420, now seen corresponding path program 1 times [2018-09-10 11:31:53,110 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:31:53,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:53,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:53,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:31:53,112 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:31:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:54,251 WARN L175 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-10 11:31:55,191 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 256 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:31:55,191 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 11:31:55,191 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 11:31:55,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:31:55,202 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 11:31:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:31:55,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 11:31:55,793 WARN L175 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 33 [2018-09-10 11:31:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 379 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-09-10 11:31:56,190 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 11:31:56,769 WARN L175 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-10 11:31:57,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:31:57,950 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 304 [2018-09-10 11:33:24,493 WARN L177 XnfTransformerHelper]: Simplifying conjuction of 32058 disjunctions. This might take some time... [2018-09-10 11:33:24,825 INFO L193 XnfTransformerHelper]: Simplified to conjuction of 22 disjunctions. [2018-09-10 11:33:27,408 WARN L175 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 74 DAG size of output: 50 [2018-09-10 11:33:27,414 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,418 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,422 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,426 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,430 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,435 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,439 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,444 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,448 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,452 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,457 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,461 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,465 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,470 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,474 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,478 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,482 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,486 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,490 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,494 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,499 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,507 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,511 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,515 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,519 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,523 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,528 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,536 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,540 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,545 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,549 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,553 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,557 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,561 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,566 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,570 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,574 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,578 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,582 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,586 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,590 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,595 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,600 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,604 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,608 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,612 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,616 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,620 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,625 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,629 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,634 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,639 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,644 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,648 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,652 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,656 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,659 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,663 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,667 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,670 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,674 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,677 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,681 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,685 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,689 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,693 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,697 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,701 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,709 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,713 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,718 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,722 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,730 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,734 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,737 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,742 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,746 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,750 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,754 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,758 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,767 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,772 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,777 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,780 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,784 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,789 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,792 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,797 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,801 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,805 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,809 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,815 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,819 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,828 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,832 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,836 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,840 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,843 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,847 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,851 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:27,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 171 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 11:33:29,327 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 11:33:29,328 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 11:33:29,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:33:29,344 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 11:33:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:33:29,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 11:33:29,949 WARN L175 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 32 [2018-09-10 11:33:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 379 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-09-10 11:33:30,374 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 11:33:30,596 WARN L175 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-10 11:33:30,769 WARN L175 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-10 11:33:31,059 WARN L175 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2018-09-10 11:33:31,819 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:31,914 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-09-10 11:33:32,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,321 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,325 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,329 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,332 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,336 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,340 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,344 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,347 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,351 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,355 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,359 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,362 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,369 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,373 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,376 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,380 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,383 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,386 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,390 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,393 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,397 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,400 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,403 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,407 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,410 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,413 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,417 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,421 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,424 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,428 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,431 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,435 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,438 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,441 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,445 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,449 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,452 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,456 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,459 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,463 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,466 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,470 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,473 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,477 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,480 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,484 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,487 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,491 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,494 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,497 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,501 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,505 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,508 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,512 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,515 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,519 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,523 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,526 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,530 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,534 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,537 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,541 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,545 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,549 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,552 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,556 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,559 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,563 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,567 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,570 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,574 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,578 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,582 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,586 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,590 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,593 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,597 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,600 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,604 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,608 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,612 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,615 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,619 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,622 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,626 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,630 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,634 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,638 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,641 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,645 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,649 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,653 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,657 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,660 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,664 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,668 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,672 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,676 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,679 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,683 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,687 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,690 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,694 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,697 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,701 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:32,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-10 11:33:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 171 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 11:33:33,663 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 11:33:33,664 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 8, 8, 8, 8] total 38 [2018-09-10 11:33:33,664 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 11:33:33,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-09-10 11:33:33,665 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-09-10 11:33:33,666 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1239, Unknown=0, NotChecked=0, Total=1406 [2018-09-10 11:33:33,666 INFO L87 Difference]: Start difference. First operand 1582 states and 1819 transitions. Second operand 26 states. [2018-09-10 11:33:35,515 WARN L175 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2018-09-10 11:33:35,882 WARN L175 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2018-09-10 11:33:40,467 WARN L175 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2018-09-10 11:33:44,153 WARN L175 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2018-09-10 11:33:46,432 WARN L175 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2018-09-10 11:33:51,926 WARN L175 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2018-09-10 11:33:54,201 WARN L175 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2018-09-10 11:34:11,589 WARN L175 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2018-09-10 11:34:16,335 WARN L175 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2018-09-10 11:34:16,964 WARN L175 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2018-09-10 11:34:17,117 WARN L175 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2018-09-10 11:34:19,645 WARN L175 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2018-09-10 11:34:24,943 WARN L175 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2018-09-10 11:34:25,097 WARN L175 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2018-09-10 11:34:35,172 WARN L175 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 Received shutdown request... [2018-09-10 11:34:42,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-09-10 11:34:42,093 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-10 11:34:42,099 WARN L206 ceAbstractionStarter]: Timeout [2018-09-10 11:34:42,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:34:42 BoogieIcfgContainer [2018-09-10 11:34:42,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 11:34:42,101 INFO L168 Benchmark]: Toolchain (without parser) took 216129.94 ms. Allocated memory was 1.5 GB in the beginning and 5.4 GB in the end (delta: 3.9 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-10 11:34:42,102 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-09-10 11:34:42,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.25 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-09-10 11:34:42,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.34 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. [2018-09-10 11:34:42,106 INFO L168 Benchmark]: Boogie Preprocessor took 284.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -854.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2018-09-10 11:34:42,107 INFO L168 Benchmark]: RCFGBuilder took 3886.79 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 121.3 MB). Peak memory consumption was 121.3 MB. Max. memory is 7.1 GB. [2018-09-10 11:34:42,108 INFO L168 Benchmark]: TraceAbstraction took 210967.37 ms. Allocated memory was 2.3 GB in the beginning and 5.4 GB in the end (delta: 3.1 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-10 11:34:42,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 838.25 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 139.34 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 284.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -854.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3886.79 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 121.3 MB). Peak memory consumption was 121.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210967.37 ms. Allocated memory was 2.3 GB in the beginning and 5.4 GB in the end (delta: 3.1 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 169]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 169). Cancelled while BasicCegarLoop was constructing difference of abstraction (1582states) and FLOYD_HOARE automaton (currently 71 states, 26 states before enhancement), while ReachableStatesComputation was computing reachable states (2768 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 210.8s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 99.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 752 SDtfs, 15049 SDslu, 1437 SDs, 0 SdLazy, 16276 SolverSat, 3825 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 80.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5561 GetRequests, 5310 SyntacticMatches, 34 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4562 ImplicationChecksByTransitivity, 24.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3233occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 1143 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 107.5s InterpolantComputationTime, 4595 NumberOfCodeBlocks, 4595 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7229 ConstructedInterpolants, 252 QuantifiedInterpolants, 16237304 SizeOfPredicates, 11 NumberOfNonLiveVariables, 4333 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 26 InterpolantComputations, 6 PerfectInterpolantSequences, 5131/6623 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/Problem10_label13_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_11-34-42-137.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label13_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_11-34-42-137.csv Completed graceful shutdown