java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 22:33:25,945 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 22:33:25,947 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 22:33:25,962 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 22:33:25,962 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 22:33:25,963 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 22:33:25,964 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 22:33:25,966 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 22:33:25,968 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 22:33:25,968 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 22:33:25,969 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 22:33:25,970 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 22:33:25,970 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 22:33:25,971 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 22:33:25,973 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 22:33:25,973 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 22:33:25,974 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 22:33:25,976 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 22:33:25,978 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 22:33:25,980 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 22:33:25,981 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 22:33:25,982 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 22:33:25,985 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 22:33:25,991 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 22:33:25,991 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 22:33:25,992 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 22:33:25,993 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 22:33:25,993 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 22:33:26,017 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 22:33:26,017 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 22:33:26,021 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 22:33:26,021 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 22:33:26,021 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 22:33:26,022 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 22:33:26,022 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 22:33:26,022 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 22:33:26,022 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 22:33:26,022 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 22:33:26,023 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 22:33:26,023 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 22:33:26,024 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 22:33:26,024 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 22:33:26,024 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 22:33:26,025 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 22:33:26,026 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 22:33:26,026 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 22:33:26,027 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 22:33:26,027 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 22:33:26,027 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 22:33:26,027 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 22:33:26,027 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 22:33:26,027 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 22:33:26,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:33:26,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 22:33:26,028 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 22:33:26,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 22:33:26,029 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 22:33:26,029 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 22:33:26,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 22:33:26,029 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 22:33:26,029 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 22:33:26,030 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 22:33:26,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 22:33:26,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 22:33:26,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 22:33:26,112 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 22:33:26,112 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 22:33:26,113 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c [2018-10-24 22:33:26,181 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/25103076f/c6e79ba3eec449cdbcf8aacca833eaa7/FLAG2fc68a7d0 [2018-10-24 22:33:27,126 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 22:33:27,128 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c [2018-10-24 22:33:27,174 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/25103076f/c6e79ba3eec449cdbcf8aacca833eaa7/FLAG2fc68a7d0 [2018-10-24 22:33:27,192 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/25103076f/c6e79ba3eec449cdbcf8aacca833eaa7 [2018-10-24 22:33:27,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 22:33:27,207 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 22:33:27,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 22:33:27,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 22:33:27,213 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 22:33:27,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:33:27" (1/1) ... [2018-10-24 22:33:27,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9de6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:27, skipping insertion in model container [2018-10-24 22:33:27,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:33:27" (1/1) ... [2018-10-24 22:33:27,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 22:33:27,479 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 22:33:29,531 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:33:29,535 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 22:33:30,667 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:33:30,718 INFO L193 MainTranslator]: Completed translation [2018-10-24 22:33:30,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30 WrapperNode [2018-10-24 22:33:30,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 22:33:30,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 22:33:30,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 22:33:30,721 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 22:33:30,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (1/1) ... [2018-10-24 22:33:30,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (1/1) ... [2018-10-24 22:33:31,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 22:33:31,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 22:33:31,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 22:33:31,461 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 22:33:31,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (1/1) ... [2018-10-24 22:33:31,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (1/1) ... [2018-10-24 22:33:31,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (1/1) ... [2018-10-24 22:33:31,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (1/1) ... [2018-10-24 22:33:31,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (1/1) ... [2018-10-24 22:33:31,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (1/1) ... [2018-10-24 22:33:31,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (1/1) ... [2018-10-24 22:33:32,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 22:33:32,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 22:33:32,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 22:33:32,011 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 22:33:32,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 22:33:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 22:33:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 22:33:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 22:33:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 22:33:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 22:33:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 22:33:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 22:33:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 22:33:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 22:33:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 22:33:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 22:33:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 22:33:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 22:33:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 22:33:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 22:33:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 22:33:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 22:33:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 22:33:49,984 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 22:33:49,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:33:49 BoogieIcfgContainer [2018-10-24 22:33:49,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 22:33:49,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 22:33:49,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 22:33:49,990 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 22:33:49,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:33:27" (1/3) ... [2018-10-24 22:33:49,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c020e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:33:49, skipping insertion in model container [2018-10-24 22:33:49,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:33:30" (2/3) ... [2018-10-24 22:33:49,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c020e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:33:49, skipping insertion in model container [2018-10-24 22:33:49,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:33:49" (3/3) ... [2018-10-24 22:33:49,994 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label52_true-unreach-call.c [2018-10-24 22:33:50,004 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 22:33:50,015 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 22:33:50,033 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 22:33:50,084 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 22:33:50,084 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 22:33:50,085 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 22:33:50,085 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 22:33:50,085 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 22:33:50,085 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 22:33:50,085 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 22:33:50,086 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 22:33:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 22:33:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-24 22:33:50,152 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:33:50,153 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:33:50,155 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:33:50,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:33:50,160 INFO L82 PathProgramCache]: Analyzing trace with hash 286172164, now seen corresponding path program 1 times [2018-10-24 22:33:50,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:33:50,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:33:50,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:33:50,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:33:50,220 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:33:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:33:50,731 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:33:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:33:50,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:33:50,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 22:33:50,854 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:33:50,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 22:33:50,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 22:33:50,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 22:33:50,879 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 22:34:10,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:34:10,669 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-24 22:34:10,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 22:34:10,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-10-24 22:34:10,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:34:10,731 INFO L225 Difference]: With dead ends: 4998 [2018-10-24 22:34:10,732 INFO L226 Difference]: Without dead ends: 3218 [2018-10-24 22:34:10,745 INFO L605 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 [2018-10-24 22:34:10,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-24 22:34:10,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-24 22:34:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-24 22:34:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-24 22:34:10,963 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 62 [2018-10-24 22:34:10,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:34:10,964 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-24 22:34:10,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 22:34:10,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-24 22:34:10,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-24 22:34:10,972 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:34:10,972 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 22:34:10,973 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:34:10,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:34:10,973 INFO L82 PathProgramCache]: Analyzing trace with hash 455722041, now seen corresponding path program 1 times [2018-10-24 22:34:10,973 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:34:10,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:34:10,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:34:10,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:34:10,975 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:34:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:34:11,324 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:34:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:34:11,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:34:11,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:34:11,727 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:34:11,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:34:11,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:34:11,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:34:11,730 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-24 22:34:40,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:34:40,899 INFO L93 Difference]: Finished difference Result 10744 states and 19770 transitions. [2018-10-24 22:34:40,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:34:40,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-10-24 22:34:40,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:34:40,952 INFO L225 Difference]: With dead ends: 10744 [2018-10-24 22:34:40,953 INFO L226 Difference]: Without dead ends: 7535 [2018-10-24 22:34:40,966 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 22:34:40,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7535 states. [2018-10-24 22:34:41,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7535 to 7498. [2018-10-24 22:34:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7498 states. [2018-10-24 22:34:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7498 states to 7498 states and 12452 transitions. [2018-10-24 22:34:41,189 INFO L78 Accepts]: Start accepts. Automaton has 7498 states and 12452 transitions. Word has length 134 [2018-10-24 22:34:41,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:34:41,189 INFO L481 AbstractCegarLoop]: Abstraction has 7498 states and 12452 transitions. [2018-10-24 22:34:41,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:34:41,191 INFO L276 IsEmpty]: Start isEmpty. Operand 7498 states and 12452 transitions. [2018-10-24 22:34:41,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-24 22:34:41,199 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:34:41,199 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 22:34:41,200 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:34:41,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:34:41,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1452331278, now seen corresponding path program 1 times [2018-10-24 22:34:41,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:34:41,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:34:41,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:34:41,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:34:41,205 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:34:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:34:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:34:41,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:34:41,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:34:41,461 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:34:41,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:34:41,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:34:41,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:34:41,462 INFO L87 Difference]: Start difference. First operand 7498 states and 12452 transitions. Second operand 6 states. [2018-10-24 22:35:10,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:35:10,409 INFO L93 Difference]: Finished difference Result 23905 states and 40026 transitions. [2018-10-24 22:35:10,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:35:10,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-10-24 22:35:10,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:35:10,480 INFO L225 Difference]: With dead ends: 23905 [2018-10-24 22:35:10,480 INFO L226 Difference]: Without dead ends: 16413 [2018-10-24 22:35:10,510 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 22:35:10,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16413 states. [2018-10-24 22:35:10,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16413 to 16230. [2018-10-24 22:35:10,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16230 states. [2018-10-24 22:35:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16230 states to 16230 states and 25357 transitions. [2018-10-24 22:35:10,901 INFO L78 Accepts]: Start accepts. Automaton has 16230 states and 25357 transitions. Word has length 136 [2018-10-24 22:35:10,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:35:10,901 INFO L481 AbstractCegarLoop]: Abstraction has 16230 states and 25357 transitions. [2018-10-24 22:35:10,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:35:10,902 INFO L276 IsEmpty]: Start isEmpty. Operand 16230 states and 25357 transitions. [2018-10-24 22:35:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-24 22:35:10,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:35:10,906 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 22:35:10,906 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:35:10,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:35:10,907 INFO L82 PathProgramCache]: Analyzing trace with hash -724154579, now seen corresponding path program 1 times [2018-10-24 22:35:10,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:35:10,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:35:10,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:35:10,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:35:10,910 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:35:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:35:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:35:11,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:35:11,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:35:11,441 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:35:11,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:35:11,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:35:11,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:35:11,445 INFO L87 Difference]: Start difference. First operand 16230 states and 25357 transitions. Second operand 6 states. [2018-10-24 22:35:53,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:35:53,166 INFO L93 Difference]: Finished difference Result 61532 states and 99785 transitions. [2018-10-24 22:35:53,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:35:53,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-10-24 22:35:53,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:35:53,362 INFO L225 Difference]: With dead ends: 61532 [2018-10-24 22:35:53,362 INFO L226 Difference]: Without dead ends: 45308 [2018-10-24 22:35:53,456 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 22:35:53,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45308 states. [2018-10-24 22:35:54,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45308 to 45210. [2018-10-24 22:35:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45210 states. [2018-10-24 22:35:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45210 states to 45210 states and 66649 transitions. [2018-10-24 22:35:54,498 INFO L78 Accepts]: Start accepts. Automaton has 45210 states and 66649 transitions. Word has length 158 [2018-10-24 22:35:54,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:35:54,499 INFO L481 AbstractCegarLoop]: Abstraction has 45210 states and 66649 transitions. [2018-10-24 22:35:54,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:35:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 45210 states and 66649 transitions. [2018-10-24 22:35:54,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-24 22:35:54,505 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:35:54,508 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 22:35:54,508 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:35:54,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:35:54,508 INFO L82 PathProgramCache]: Analyzing trace with hash 491943707, now seen corresponding path program 1 times [2018-10-24 22:35:54,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:35:54,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:35:54,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:35:54,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:35:54,510 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:35:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:35:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:35:54,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:35:54,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 22:35:54,872 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:35:54,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 22:35:54,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 22:35:54,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 22:35:54,874 INFO L87 Difference]: Start difference. First operand 45210 states and 66649 transitions. Second operand 5 states. [2018-10-24 22:36:25,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:36:25,748 INFO L93 Difference]: Finished difference Result 135588 states and 211805 transitions. [2018-10-24 22:36:25,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 22:36:25,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2018-10-24 22:36:25,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:36:26,132 INFO L225 Difference]: With dead ends: 135588 [2018-10-24 22:36:26,132 INFO L226 Difference]: Without dead ends: 90384 [2018-10-24 22:36:26,246 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 22:36:26,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90384 states. [2018-10-24 22:36:28,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90384 to 89658. [2018-10-24 22:36:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89658 states. [2018-10-24 22:36:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89658 states to 89658 states and 124644 transitions. [2018-10-24 22:36:28,701 INFO L78 Accepts]: Start accepts. Automaton has 89658 states and 124644 transitions. Word has length 167 [2018-10-24 22:36:28,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:36:28,702 INFO L481 AbstractCegarLoop]: Abstraction has 89658 states and 124644 transitions. [2018-10-24 22:36:28,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 22:36:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 89658 states and 124644 transitions. [2018-10-24 22:36:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-24 22:36:28,710 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:36:28,711 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:36:28,711 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:36:28,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:36:28,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1494786500, now seen corresponding path program 1 times [2018-10-24 22:36:28,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:36:28,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:36:28,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:36:28,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:36:28,713 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:36:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:36:29,003 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:36:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:36:29,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:36:29,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:36:29,418 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:36:29,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:36:29,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:36:29,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:36:29,420 INFO L87 Difference]: Start difference. First operand 89658 states and 124644 transitions. Second operand 6 states. [2018-10-24 22:36:55,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:36:55,869 INFO L93 Difference]: Finished difference Result 210998 states and 310146 transitions. [2018-10-24 22:36:55,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:36:55,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-10-24 22:36:55,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:36:56,211 INFO L225 Difference]: With dead ends: 210998 [2018-10-24 22:36:56,211 INFO L226 Difference]: Without dead ends: 121346 [2018-10-24 22:36:56,363 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 22:36:56,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121346 states. [2018-10-24 22:36:58,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121346 to 120994. [2018-10-24 22:36:58,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120994 states. [2018-10-24 22:36:58,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120994 states to 120994 states and 164575 transitions. [2018-10-24 22:36:58,990 INFO L78 Accepts]: Start accepts. Automaton has 120994 states and 164575 transitions. Word has length 195 [2018-10-24 22:36:58,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:36:58,991 INFO L481 AbstractCegarLoop]: Abstraction has 120994 states and 164575 transitions. [2018-10-24 22:36:58,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:36:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 120994 states and 164575 transitions. [2018-10-24 22:36:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-24 22:36:59,000 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:36:59,000 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:36:59,000 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:36:59,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:36:59,001 INFO L82 PathProgramCache]: Analyzing trace with hash -272986980, now seen corresponding path program 1 times [2018-10-24 22:36:59,001 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:36:59,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:36:59,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:36:59,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:36:59,002 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:36:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:36:59,280 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:36:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 110 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 22:36:59,683 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:36:59,683 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:36:59,685 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-10-24 22:36:59,692 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5622], [5624], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-24 22:36:59,783 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:36:59,783 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:37:03,638 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 22:37:03,717 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:37:03,719 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 22:37:03,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:37:03,730 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:37:06,448 INFO L232 lantSequenceWeakener]: Weakened 223 states. On average, predicates are now at 75.85% of their original sizes. [2018-10-24 22:37:06,449 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:37:06,917 INFO L413 sIntCurrentIteration]: We have 232 unified AI predicates [2018-10-24 22:37:06,918 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:37:06,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:37:06,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 22:37:06,920 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:37:06,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 22:37:06,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 22:37:06,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 22:37:06,921 INFO L87 Difference]: Start difference. First operand 120994 states and 164575 transitions. Second operand 7 states. Received shutdown request... [2018-10-24 22:37:17,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:37:17,635 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 22:37:17,641 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 22:37:17,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:37:17 BoogieIcfgContainer [2018-10-24 22:37:17,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 22:37:17,643 INFO L168 Benchmark]: Toolchain (without parser) took 230436.94 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -954.7 MB). Peak memory consumption was 951.7 MB. Max. memory is 7.1 GB. [2018-10-24 22:37:17,645 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-24 22:37:17,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3511.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 996.2 MB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. [2018-10-24 22:37:17,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 739.87 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 870.8 MB). Free memory was 996.2 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 22:37:17,648 INFO L168 Benchmark]: Boogie Preprocessor took 550.40 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. [2018-10-24 22:37:17,650 INFO L168 Benchmark]: RCFGBuilder took 17974.47 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 157.3 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 529.9 MB). Peak memory consumption was 687.2 MB. Max. memory is 7.1 GB. [2018-10-24 22:37:17,651 INFO L168 Benchmark]: TraceAbstraction took 207655.42 ms. Allocated memory was 2.6 GB in the beginning and 3.4 GB in the end (delta: 878.2 MB). Free memory was 1.7 GB in the beginning and 2.4 GB in the end (delta: -653.8 MB). Peak memory consumption was 224.4 MB. Max. memory is 7.1 GB. [2018-10-24 22:37:17,658 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 3511.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 996.2 MB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 739.87 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 870.8 MB). Free memory was 996.2 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 550.40 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17974.47 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 157.3 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 529.9 MB). Peak memory consumption was 687.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207655.42 ms. Allocated memory was 2.6 GB in the beginning and 3.4 GB in the end (delta: 878.2 MB). Free memory was 1.7 GB in the beginning and 2.4 GB in the end (delta: -653.8 MB). Peak memory consumption was 224.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 181]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 181). Cancelled while BasicCegarLoop was constructing difference of abstraction (120994states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (3008 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 207.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 189.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3664 SDtfs, 40743 SDslu, 4087 SDs, 0 SdLazy, 64842 SolverSat, 15881 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 158.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 285 GetRequests, 241 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120994occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9959946949602121 AbsIntWeakeningRatio, 0.1206896551724138 AbsIntAvgWeakeningVarsNumRemoved, 1040.2887931034484 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 1399 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1085 NumberOfCodeBlocks, 1085 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1078 ConstructedInterpolants, 0 QuantifiedInterpolants, 711878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 390/455 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown