java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label19_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 00:04:45,014 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 00:04:45,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 00:04:45,029 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 00:04:45,030 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 00:04:45,031 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 00:04:45,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 00:04:45,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 00:04:45,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 00:04:45,037 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 00:04:45,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 00:04:45,038 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 00:04:45,039 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 00:04:45,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 00:04:45,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 00:04:45,042 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 00:04:45,043 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 00:04:45,045 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 00:04:45,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 00:04:45,049 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 00:04:45,050 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 00:04:45,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 00:04:45,054 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 00:04:45,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 00:04:45,055 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 00:04:45,055 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 00:04:45,057 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 00:04:45,057 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 00:04:45,058 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 00:04:45,059 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 00:04:45,060 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 00:04:45,060 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 00:04:45,061 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 00:04:45,061 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 00:04:45,062 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 00:04:45,063 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 00:04:45,063 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 00:04:45,080 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 00:04:45,080 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 00:04:45,081 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 00:04:45,081 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 00:04:45,082 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 00:04:45,082 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 00:04:45,082 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 00:04:45,082 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 00:04:45,083 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 00:04:45,083 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 00:04:45,083 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 00:04:45,083 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 00:04:45,084 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 00:04:45,084 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 00:04:45,084 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 00:04:45,085 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 00:04:45,085 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 00:04:45,085 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 00:04:45,085 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 00:04:45,086 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 00:04:45,086 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 00:04:45,086 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 00:04:45,086 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 00:04:45,086 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 00:04:45,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:04:45,087 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 00:04:45,087 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 00:04:45,087 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 00:04:45,087 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 00:04:45,088 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 00:04:45,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 00:04:45,088 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 00:04:45,088 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 00:04:45,088 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 00:04:45,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 00:04:45,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 00:04:45,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 00:04:45,152 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 00:04:45,152 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 00:04:45,153 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label19_false-unreach-call.c [2018-11-07 00:04:45,214 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d8b665e/078604c5dcd3496d9be73613da43ed34/FLAGf81e4f5d4 [2018-11-07 00:04:46,052 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 00:04:46,053 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label19_false-unreach-call.c [2018-11-07 00:04:46,088 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d8b665e/078604c5dcd3496d9be73613da43ed34/FLAGf81e4f5d4 [2018-11-07 00:04:46,104 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d8b665e/078604c5dcd3496d9be73613da43ed34 [2018-11-07 00:04:46,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 00:04:46,118 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 00:04:46,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 00:04:46,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 00:04:46,123 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 00:04:46,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:04:46" (1/1) ... [2018-11-07 00:04:46,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7293a3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:46, skipping insertion in model container [2018-11-07 00:04:46,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:04:46" (1/1) ... [2018-11-07 00:04:46,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 00:04:46,307 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 00:04:47,735 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:04:47,740 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 00:04:48,363 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:04:48,397 INFO L193 MainTranslator]: Completed translation [2018-11-07 00:04:48,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48 WrapperNode [2018-11-07 00:04:48,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 00:04:48,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 00:04:48,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 00:04:48,399 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 00:04:48,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (1/1) ... [2018-11-07 00:04:48,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (1/1) ... [2018-11-07 00:04:48,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 00:04:48,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 00:04:48,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 00:04:48,730 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 00:04:48,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (1/1) ... [2018-11-07 00:04:48,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (1/1) ... [2018-11-07 00:04:48,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (1/1) ... [2018-11-07 00:04:48,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (1/1) ... [2018-11-07 00:04:48,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (1/1) ... [2018-11-07 00:04:48,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (1/1) ... [2018-11-07 00:04:48,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (1/1) ... [2018-11-07 00:04:49,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 00:04:49,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 00:04:49,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 00:04:49,007 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 00:04:49,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:04:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 00:04:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 00:04:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 00:04:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 00:04:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 00:04:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 00:04:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 00:04:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 00:04:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 00:04:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 00:04:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 00:04:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 00:04:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 00:04:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 00:04:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 00:04:58,194 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 00:04:58,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:04:58 BoogieIcfgContainer [2018-11-07 00:04:58,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 00:04:58,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 00:04:58,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 00:04:58,200 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 00:04:58,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:04:46" (1/3) ... [2018-11-07 00:04:58,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5a07f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:04:58, skipping insertion in model container [2018-11-07 00:04:58,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:48" (2/3) ... [2018-11-07 00:04:58,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5a07f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:04:58, skipping insertion in model container [2018-11-07 00:04:58,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:04:58" (3/3) ... [2018-11-07 00:04:58,203 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label19_false-unreach-call.c [2018-11-07 00:04:58,213 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 00:04:58,231 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 00:04:58,251 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 00:04:58,297 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 00:04:58,297 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 00:04:58,298 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 00:04:58,298 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 00:04:58,298 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 00:04:58,298 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 00:04:58,298 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 00:04:58,298 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 00:04:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-11-07 00:04:58,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-07 00:04:58,359 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:04:58,360 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] [2018-11-07 00:04:58,362 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:04:58,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:04:58,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1723693075, now seen corresponding path program 1 times [2018-11-07 00:04:58,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:04:58,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:04:58,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:04:58,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:04:58,422 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:04:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:04:58,816 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:04:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:04:58,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:04:58,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 00:04:58,917 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:04:58,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 00:04:58,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 00:04:58,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:04:58,951 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-11-07 00:05:06,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:05:06,094 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-11-07 00:05:06,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 00:05:06,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-11-07 00:05:06,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:05:06,133 INFO L225 Difference]: With dead ends: 2446 [2018-11-07 00:05:06,134 INFO L226 Difference]: Without dead ends: 1604 [2018-11-07 00:05:06,149 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:05:06,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-11-07 00:05:06,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-11-07 00:05:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-11-07 00:05:06,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 3021 transitions. [2018-11-07 00:05:06,315 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 3021 transitions. Word has length 21 [2018-11-07 00:05:06,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:05:06,315 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 3021 transitions. [2018-11-07 00:05:06,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 00:05:06,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 3021 transitions. [2018-11-07 00:05:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-07 00:05:06,322 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:05:06,322 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:05:06,323 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:05:06,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:05:06,323 INFO L82 PathProgramCache]: Analyzing trace with hash 942951892, now seen corresponding path program 1 times [2018-11-07 00:05:06,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:05:06,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:06,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:05:06,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:06,325 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:05:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:05:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:05:06,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:05:06,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 00:05:06,642 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:05:06,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 00:05:06,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 00:05:06,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 00:05:06,651 INFO L87 Difference]: Start difference. First operand 1604 states and 3021 transitions. Second operand 5 states. [2018-11-07 00:05:17,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:05:17,638 INFO L93 Difference]: Finished difference Result 4892 states and 9215 transitions. [2018-11-07 00:05:17,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 00:05:17,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2018-11-07 00:05:17,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:05:17,665 INFO L225 Difference]: With dead ends: 4892 [2018-11-07 00:05:17,666 INFO L226 Difference]: Without dead ends: 3294 [2018-11-07 00:05:17,672 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 00:05:17,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2018-11-07 00:05:17,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3238. [2018-11-07 00:05:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3238 states. [2018-11-07 00:05:17,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 5447 transitions. [2018-11-07 00:05:17,802 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 5447 transitions. Word has length 99 [2018-11-07 00:05:17,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:05:17,802 INFO L480 AbstractCegarLoop]: Abstraction has 3238 states and 5447 transitions. [2018-11-07 00:05:17,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 00:05:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 5447 transitions. [2018-11-07 00:05:17,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-07 00:05:17,807 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:05:17,807 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 00:05:17,808 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:05:17,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:05:17,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1945763549, now seen corresponding path program 1 times [2018-11-07 00:05:17,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:05:17,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:17,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:05:17,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:17,810 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:05:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:05:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:05:18,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:05:18,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:05:18,069 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:05:18,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:05:18,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:05:18,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:05:18,070 INFO L87 Difference]: Start difference. First operand 3238 states and 5447 transitions. Second operand 6 states. [2018-11-07 00:05:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:05:28,319 INFO L93 Difference]: Finished difference Result 9755 states and 16532 transitions. [2018-11-07 00:05:28,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:05:28,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-11-07 00:05:28,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:05:28,355 INFO L225 Difference]: With dead ends: 9755 [2018-11-07 00:05:28,355 INFO L226 Difference]: Without dead ends: 6523 [2018-11-07 00:05:28,369 INFO L604 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 [2018-11-07 00:05:28,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6523 states. [2018-11-07 00:05:28,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6523 to 6447. [2018-11-07 00:05:28,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6447 states. [2018-11-07 00:05:28,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6447 states to 6447 states and 10238 transitions. [2018-11-07 00:05:28,580 INFO L78 Accepts]: Start accepts. Automaton has 6447 states and 10238 transitions. Word has length 112 [2018-11-07 00:05:28,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:05:28,581 INFO L480 AbstractCegarLoop]: Abstraction has 6447 states and 10238 transitions. [2018-11-07 00:05:28,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:05:28,581 INFO L276 IsEmpty]: Start isEmpty. Operand 6447 states and 10238 transitions. [2018-11-07 00:05:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-07 00:05:28,584 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:05:28,584 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2018-11-07 00:05:28,584 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:05:28,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:05:28,585 INFO L82 PathProgramCache]: Analyzing trace with hash 473756696, now seen corresponding path program 1 times [2018-11-07 00:05:28,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:05:28,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:28,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:05:28,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:28,587 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:05:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:05:28,887 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:05:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:05:29,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:05:29,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:05:29,282 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:05:29,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:05:29,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:05:29,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:05:29,283 INFO L87 Difference]: Start difference. First operand 6447 states and 10238 transitions. Second operand 6 states. [2018-11-07 00:05:36,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:05:36,732 INFO L93 Difference]: Finished difference Result 18061 states and 29694 transitions. [2018-11-07 00:05:36,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:05:36,733 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-11-07 00:05:36,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:05:36,794 INFO L225 Difference]: With dead ends: 18061 [2018-11-07 00:05:36,794 INFO L226 Difference]: Without dead ends: 11620 [2018-11-07 00:05:36,818 INFO L604 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 [2018-11-07 00:05:36,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11620 states. [2018-11-07 00:05:37,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11620 to 11439. [2018-11-07 00:05:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11439 states. [2018-11-07 00:05:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11439 states to 11439 states and 17983 transitions. [2018-11-07 00:05:37,269 INFO L78 Accepts]: Start accepts. Automaton has 11439 states and 17983 transitions. Word has length 117 [2018-11-07 00:05:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:05:37,269 INFO L480 AbstractCegarLoop]: Abstraction has 11439 states and 17983 transitions. [2018-11-07 00:05:37,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:05:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 11439 states and 17983 transitions. [2018-11-07 00:05:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-07 00:05:37,272 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:05:37,272 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:05:37,273 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:05:37,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:05:37,273 INFO L82 PathProgramCache]: Analyzing trace with hash 286963880, now seen corresponding path program 1 times [2018-11-07 00:05:37,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:05:37,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:37,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:05:37,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:37,275 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:05:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:05:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:05:37,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:05:37,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:05:37,773 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:05:37,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:05:37,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:05:37,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:05:37,775 INFO L87 Difference]: Start difference. First operand 11439 states and 17983 transitions. Second operand 6 states. [2018-11-07 00:05:54,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:05:54,530 INFO L93 Difference]: Finished difference Result 46297 states and 82313 transitions. [2018-11-07 00:05:54,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 00:05:54,530 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-07 00:05:54,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:05:54,718 INFO L225 Difference]: With dead ends: 46297 [2018-11-07 00:05:54,719 INFO L226 Difference]: Without dead ends: 34864 [2018-11-07 00:05:54,816 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 00:05:54,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34864 states. [2018-11-07 00:05:55,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34864 to 34583. [2018-11-07 00:05:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34583 states. [2018-11-07 00:05:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34583 states to 34583 states and 53833 transitions. [2018-11-07 00:05:55,786 INFO L78 Accepts]: Start accepts. Automaton has 34583 states and 53833 transitions. Word has length 125 [2018-11-07 00:05:55,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:05:55,786 INFO L480 AbstractCegarLoop]: Abstraction has 34583 states and 53833 transitions. [2018-11-07 00:05:55,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:05:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 34583 states and 53833 transitions. [2018-11-07 00:05:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-07 00:05:55,788 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:05:55,789 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:05:55,789 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:05:55,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:05:55,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1547306367, now seen corresponding path program 1 times [2018-11-07 00:05:55,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:05:55,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:55,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:05:55,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:55,793 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:05:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:05:56,067 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:05:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:05:56,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:05:56,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:05:56,450 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:05:56,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:05:56,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:05:56,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:05:56,453 INFO L87 Difference]: Start difference. First operand 34583 states and 53833 transitions. Second operand 6 states. [2018-11-07 00:06:05,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:06:05,507 INFO L93 Difference]: Finished difference Result 84355 states and 142407 transitions. [2018-11-07 00:06:05,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:06:05,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-11-07 00:06:05,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:06:05,763 INFO L225 Difference]: With dead ends: 84355 [2018-11-07 00:06:05,763 INFO L226 Difference]: Without dead ends: 49778 [2018-11-07 00:06:05,871 INFO L604 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 [2018-11-07 00:06:05,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49778 states. [2018-11-07 00:06:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49778 to 49365. [2018-11-07 00:06:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49365 states. [2018-11-07 00:06:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49365 states to 49365 states and 75245 transitions. [2018-11-07 00:06:07,159 INFO L78 Accepts]: Start accepts. Automaton has 49365 states and 75245 transitions. Word has length 146 [2018-11-07 00:06:07,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:06:07,159 INFO L480 AbstractCegarLoop]: Abstraction has 49365 states and 75245 transitions. [2018-11-07 00:06:07,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:06:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 49365 states and 75245 transitions. [2018-11-07 00:06:07,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-07 00:06:07,163 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:06:07,163 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:06:07,163 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:06:07,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:06:07,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1989522588, now seen corresponding path program 1 times [2018-11-07 00:06:07,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:06:07,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:06:07,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:06:07,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:06:07,165 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:06:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:06:07,431 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:06:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 00:06:08,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:06:08,202 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:06:08,203 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-11-07 00:06:08,206 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1935], [1937], [1940], [1948], [1956], [1964], [1972], [1980], [1988], [1996], [2004], [2012], [2020], [2028], [2036], [2044], [2052], [2060], [2068], [2076], [2084], [2092], [2100], [2108], [2116], [2124], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2664], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-07 00:06:08,307 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:06:08,308 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:06:13,373 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 00:06:36,776 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 00:06:36,778 INFO L272 AbstractInterpreter]: Visited 153 different actions 447 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 00:06:36,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:06:36,820 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 00:06:40,482 INFO L227 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 80.12% of their original sizes. [2018-11-07 00:06:40,482 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 00:06:55,758 INFO L415 sIntCurrentIteration]: We unified 166 AI predicates to 166 [2018-11-07 00:06:55,758 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 00:06:55,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 00:06:55,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [4] total 18 [2018-11-07 00:06:55,759 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:06:55,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-07 00:06:55,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-07 00:06:55,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-11-07 00:06:55,760 INFO L87 Difference]: Start difference. First operand 49365 states and 75245 transitions. Second operand 16 states. Received shutdown request... [2018-11-07 00:08:32,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 00:08:32,798 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 00:08:32,803 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 00:08:32,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:08:32 BoogieIcfgContainer [2018-11-07 00:08:32,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 00:08:32,805 INFO L168 Benchmark]: Toolchain (without parser) took 226688.21 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 00:08:32,806 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. [2018-11-07 00:08:32,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2279.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. [2018-11-07 00:08:32,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 330.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 804.8 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2018-11-07 00:08:32,809 INFO L168 Benchmark]: Boogie Preprocessor took 275.75 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2018-11-07 00:08:32,810 INFO L168 Benchmark]: RCFGBuilder took 9189.10 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 151.5 MB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -158.2 MB). Peak memory consumption was 666.7 MB. Max. memory is 7.1 GB. [2018-11-07 00:08:32,811 INFO L168 Benchmark]: TraceAbstraction took 214607.93 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: -297.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-11-07 00:08:32,816 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 2279.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 330.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 804.8 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 275.75 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9189.10 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 151.5 MB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -158.2 MB). Peak memory consumption was 666.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 214607.93 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: -297.2 MB). 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: 54]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 54). Cancelled while BasicCegarLoop was constructing difference of abstraction (49365states) and FLOYD_HOARE automaton (currently 16 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (1356 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 214.5s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 159.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 839 SDtfs, 17874 SDslu, 1045 SDs, 0 SdLazy, 32657 SolverSat, 7623 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 229 GetRequests, 162 SyntacticMatches, 10 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 20.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49365occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 28.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9946339202965708 AbsIntWeakeningRatio, 0.12650602409638553 AbsIntAvgWeakeningVarsNumRemoved, 23.289156626506024 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1007 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 787 NumberOfCodeBlocks, 787 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 780 ConstructedInterpolants, 0 QuantifiedInterpolants, 447604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 74/84 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown