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_label25_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 00:05:06,515 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 00:05:06,517 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 00:05:06,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 00:05:06,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 00:05:06,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 00:05:06,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 00:05:06,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 00:05:06,535 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 00:05:06,536 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 00:05:06,537 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 00:05:06,537 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 00:05:06,538 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 00:05:06,539 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 00:05:06,540 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 00:05:06,541 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 00:05:06,542 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 00:05:06,544 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 00:05:06,546 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 00:05:06,547 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 00:05:06,548 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 00:05:06,550 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 00:05:06,552 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 00:05:06,552 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 00:05:06,553 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 00:05:06,554 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 00:05:06,555 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 00:05:06,555 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 00:05:06,556 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 00:05:06,557 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 00:05:06,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 00:05:06,558 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 00:05:06,559 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 00:05:06,559 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 00:05:06,561 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 00:05:06,562 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 00:05:06,562 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 00:05:06,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 00:05:06,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 00:05:06,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 00:05:06,593 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 00:05:06,593 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 00:05:06,593 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 00:05:06,594 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 00:05:06,594 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 00:05:06,594 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 00:05:06,594 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 00:05:06,594 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 00:05:06,595 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 00:05:06,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 00:05:06,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 00:05:06,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 00:05:06,596 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 00:05:06,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 00:05:06,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 00:05:06,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 00:05:06,597 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 00:05:06,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 00:05:06,598 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 00:05:06,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 00:05:06,599 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 00:05:06,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:05:06,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 00:05:06,599 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 00:05:06,599 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 00:05:06,600 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 00:05:06,600 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 00:05:06,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 00:05:06,600 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 00:05:06,600 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 00:05:06,600 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 00:05:06,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 00:05:06,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 00:05:06,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 00:05:06,689 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 00:05:06,690 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 00:05:06,691 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label25_false-unreach-call.c [2018-11-07 00:05:06,759 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13c82f992/0944c995585b4f338ff6b7e81043ac0f/FLAG542812b0b [2018-11-07 00:05:07,567 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 00:05:07,568 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label25_false-unreach-call.c [2018-11-07 00:05:07,597 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13c82f992/0944c995585b4f338ff6b7e81043ac0f/FLAG542812b0b [2018-11-07 00:05:07,612 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13c82f992/0944c995585b4f338ff6b7e81043ac0f [2018-11-07 00:05:07,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 00:05:07,626 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 00:05:07,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 00:05:07,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 00:05:07,631 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 00:05:07,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:05:07" (1/1) ... [2018-11-07 00:05:07,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c1fa53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:07, skipping insertion in model container [2018-11-07 00:05:07,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:05:07" (1/1) ... [2018-11-07 00:05:07,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 00:05:07,818 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 00:05:09,181 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:05:09,186 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 00:05:09,791 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:05:09,828 INFO L193 MainTranslator]: Completed translation [2018-11-07 00:05:09,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09 WrapperNode [2018-11-07 00:05:09,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 00:05:09,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 00:05:09,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 00:05:09,830 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 00:05:09,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (1/1) ... [2018-11-07 00:05:10,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (1/1) ... [2018-11-07 00:05:10,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 00:05:10,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 00:05:10,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 00:05:10,143 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 00:05:10,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (1/1) ... [2018-11-07 00:05:10,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (1/1) ... [2018-11-07 00:05:10,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (1/1) ... [2018-11-07 00:05:10,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (1/1) ... [2018-11-07 00:05:10,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (1/1) ... [2018-11-07 00:05:10,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (1/1) ... [2018-11-07 00:05:10,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (1/1) ... [2018-11-07 00:05:10,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 00:05:10,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 00:05:10,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 00:05:10,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 00:05:10,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:05:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 00:05:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 00:05:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 00:05:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 00:05:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 00:05:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 00:05:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 00:05:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 00:05:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 00:05:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 00:05:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 00:05:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 00:05:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 00:05:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 00:05:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 00:05:19,090 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 00:05:19,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:05:19 BoogieIcfgContainer [2018-11-07 00:05:19,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 00:05:19,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 00:05:19,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 00:05:19,095 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 00:05:19,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:05:07" (1/3) ... [2018-11-07 00:05:19,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535837c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:05:19, skipping insertion in model container [2018-11-07 00:05:19,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:09" (2/3) ... [2018-11-07 00:05:19,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535837c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:05:19, skipping insertion in model container [2018-11-07 00:05:19,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:05:19" (3/3) ... [2018-11-07 00:05:19,099 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label25_false-unreach-call.c [2018-11-07 00:05:19,108 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 00:05:19,118 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 00:05:19,135 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 00:05:19,180 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 00:05:19,180 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 00:05:19,180 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 00:05:19,181 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 00:05:19,181 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 00:05:19,181 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 00:05:19,181 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 00:05:19,181 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 00:05:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-11-07 00:05:19,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-07 00:05:19,240 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:05:19,241 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] [2018-11-07 00:05:19,244 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:05:19,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:05:19,251 INFO L82 PathProgramCache]: Analyzing trace with hash -82660212, now seen corresponding path program 1 times [2018-11-07 00:05:19,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:05:19,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:19,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:05:19,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:19,304 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:05:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:05:19,648 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:05:19,765 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 00:05:19,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:05:19,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 00:05:19,771 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:05:19,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 00:05:19,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 00:05:19,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:05:19,815 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-11-07 00:05:28,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:05:28,376 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-11-07 00:05:28,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 00:05:28,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-11-07 00:05:28,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:05:28,413 INFO L225 Difference]: With dead ends: 2446 [2018-11-07 00:05:28,413 INFO L226 Difference]: Without dead ends: 1604 [2018-11-07 00:05:28,424 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 00:05:28,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-11-07 00:05:28,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-11-07 00:05:28,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-11-07 00:05:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 3021 transitions. [2018-11-07 00:05:28,586 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 3021 transitions. Word has length 24 [2018-11-07 00:05:28,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:05:28,587 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 3021 transitions. [2018-11-07 00:05:28,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 00:05:28,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 3021 transitions. [2018-11-07 00:05:28,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-07 00:05:28,594 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:05:28,596 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 00:05:28,596 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:05:28,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:05:28,597 INFO L82 PathProgramCache]: Analyzing trace with hash -664739510, now seen corresponding path program 1 times [2018-11-07 00:05:28,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:05:28,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:28,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:05:28,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:28,600 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:05:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:05:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:05:28,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:05:28,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 00:05:28,927 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:05:28,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 00:05:28,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 00:05:28,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 00:05:28,930 INFO L87 Difference]: Start difference. First operand 1604 states and 3021 transitions. Second operand 5 states. [2018-11-07 00:05:39,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:05:39,576 INFO L93 Difference]: Finished difference Result 4892 states and 9215 transitions. [2018-11-07 00:05:39,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 00:05:39,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2018-11-07 00:05:39,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:05:39,599 INFO L225 Difference]: With dead ends: 4892 [2018-11-07 00:05:39,600 INFO L226 Difference]: Without dead ends: 3294 [2018-11-07 00:05:39,606 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 00:05:39,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2018-11-07 00:05:39,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3238. [2018-11-07 00:05:39,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3238 states. [2018-11-07 00:05:39,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 5447 transitions. [2018-11-07 00:05:39,743 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 5447 transitions. Word has length 102 [2018-11-07 00:05:39,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:05:39,743 INFO L480 AbstractCegarLoop]: Abstraction has 3238 states and 5447 transitions. [2018-11-07 00:05:39,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 00:05:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 5447 transitions. [2018-11-07 00:05:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-07 00:05:39,748 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:05:39,748 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 00:05:39,749 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:05:39,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:05:39,749 INFO L82 PathProgramCache]: Analyzing trace with hash 2031355331, now seen corresponding path program 1 times [2018-11-07 00:05:39,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:05:39,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:39,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:05:39,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:39,751 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:05:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:05:40,006 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:05:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:05:40,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:05:40,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:05:40,064 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:05:40,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:05:40,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:05:40,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:05:40,065 INFO L87 Difference]: Start difference. First operand 3238 states and 5447 transitions. Second operand 6 states. [2018-11-07 00:05:50,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:05:50,070 INFO L93 Difference]: Finished difference Result 9755 states and 16532 transitions. [2018-11-07 00:05:50,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:05:50,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-11-07 00:05:50,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:05:50,112 INFO L225 Difference]: With dead ends: 9755 [2018-11-07 00:05:50,112 INFO L226 Difference]: Without dead ends: 6523 [2018-11-07 00:05:50,127 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 00:05:50,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6523 states. [2018-11-07 00:05:50,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6523 to 6447. [2018-11-07 00:05:50,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6447 states. [2018-11-07 00:05:50,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6447 states to 6447 states and 10238 transitions. [2018-11-07 00:05:50,314 INFO L78 Accepts]: Start accepts. Automaton has 6447 states and 10238 transitions. Word has length 115 [2018-11-07 00:05:50,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:05:50,317 INFO L480 AbstractCegarLoop]: Abstraction has 6447 states and 10238 transitions. [2018-11-07 00:05:50,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:05:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 6447 states and 10238 transitions. [2018-11-07 00:05:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-07 00:05:50,326 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:05:50,326 INFO L375 BasicCegarLoop]: trace histogram [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, 1] [2018-11-07 00:05:50,326 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:05:50,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:05:50,327 INFO L82 PathProgramCache]: Analyzing trace with hash -381568314, now seen corresponding path program 1 times [2018-11-07 00:05:50,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:05:50,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:50,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:05:50,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:50,328 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:05:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:05:50,621 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:05:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:05:50,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:05:50,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:05:50,790 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:05:50,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:05:50,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:05:50,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:05:50,792 INFO L87 Difference]: Start difference. First operand 6447 states and 10238 transitions. Second operand 6 states. [2018-11-07 00:05:58,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:05:58,087 INFO L93 Difference]: Finished difference Result 18061 states and 29694 transitions. [2018-11-07 00:05:58,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:05:58,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-11-07 00:05:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:05:58,152 INFO L225 Difference]: With dead ends: 18061 [2018-11-07 00:05:58,152 INFO L226 Difference]: Without dead ends: 11620 [2018-11-07 00:05:58,176 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 00:05:58,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11620 states. [2018-11-07 00:05:58,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11620 to 11439. [2018-11-07 00:05:58,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11439 states. [2018-11-07 00:05:58,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11439 states to 11439 states and 17983 transitions. [2018-11-07 00:05:58,607 INFO L78 Accepts]: Start accepts. Automaton has 11439 states and 17983 transitions. Word has length 120 [2018-11-07 00:05:58,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:05:58,607 INFO L480 AbstractCegarLoop]: Abstraction has 11439 states and 17983 transitions. [2018-11-07 00:05:58,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:05:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand 11439 states and 17983 transitions. [2018-11-07 00:05:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-07 00:05:58,609 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:05:58,609 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:05:58,610 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:05:58,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:05:58,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1903682250, now seen corresponding path program 1 times [2018-11-07 00:05:58,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:05:58,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:58,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:05:58,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:05:58,612 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:05:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:05:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:05:59,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:05:59,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:05:59,017 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:05:59,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:05:59,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:05:59,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:05:59,018 INFO L87 Difference]: Start difference. First operand 11439 states and 17983 transitions. Second operand 6 states. [2018-11-07 00:06:15,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:06:15,210 INFO L93 Difference]: Finished difference Result 46321 states and 82322 transitions. [2018-11-07 00:06:15,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 00:06:15,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-11-07 00:06:15,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:06:15,383 INFO L225 Difference]: With dead ends: 46321 [2018-11-07 00:06:15,383 INFO L226 Difference]: Without dead ends: 34888 [2018-11-07 00:06:15,465 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 00:06:15,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34888 states. [2018-11-07 00:06:16,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34888 to 34605. [2018-11-07 00:06:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34605 states. [2018-11-07 00:06:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34605 states to 34605 states and 53886 transitions. [2018-11-07 00:06:16,440 INFO L78 Accepts]: Start accepts. Automaton has 34605 states and 53886 transitions. Word has length 128 [2018-11-07 00:06:16,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:06:16,442 INFO L480 AbstractCegarLoop]: Abstraction has 34605 states and 53886 transitions. [2018-11-07 00:06:16,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:06:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 34605 states and 53886 transitions. [2018-11-07 00:06:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-07 00:06:16,445 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:06:16,446 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 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 00:06:16,446 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:06:16,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:06:16,446 INFO L82 PathProgramCache]: Analyzing trace with hash 367290207, now seen corresponding path program 1 times [2018-11-07 00:06:16,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:06:16,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:06:16,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:06:16,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:06:16,451 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:06:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:06:16,729 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:06:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:06:17,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:06:17,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:06:17,129 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:06:17,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:06:17,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:06:17,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:06:17,130 INFO L87 Difference]: Start difference. First operand 34605 states and 53886 transitions. Second operand 6 states. [2018-11-07 00:06:24,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:06:24,955 INFO L93 Difference]: Finished difference Result 84339 states and 141011 transitions. [2018-11-07 00:06:24,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:06:24,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-07 00:06:24,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:06:25,162 INFO L225 Difference]: With dead ends: 84339 [2018-11-07 00:06:25,162 INFO L226 Difference]: Without dead ends: 49740 [2018-11-07 00:06:25,251 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 00:06:25,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49740 states. [2018-11-07 00:06:26,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49740 to 49400. [2018-11-07 00:06:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49400 states. [2018-11-07 00:06:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49400 states to 49400 states and 75287 transitions. [2018-11-07 00:06:26,414 INFO L78 Accepts]: Start accepts. Automaton has 49400 states and 75287 transitions. Word has length 149 [2018-11-07 00:06:26,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:06:26,414 INFO L480 AbstractCegarLoop]: Abstraction has 49400 states and 75287 transitions. [2018-11-07 00:06:26,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:06:26,415 INFO L276 IsEmpty]: Start isEmpty. Operand 49400 states and 75287 transitions. [2018-11-07 00:06:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-07 00:06:26,418 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:06:26,418 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:26,418 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:06:26,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:06:26,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1017513474, now seen corresponding path program 1 times [2018-11-07 00:06:26,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:06:26,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:06:26,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:06:26,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:06:26,420 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:06:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:06:26,704 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:06:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 00:06:27,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:06:27,536 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:06:27,537 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-11-07 00:06:27,540 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1959], [1961], [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 00:06:27,633 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:06:27,633 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:06:32,016 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 00:06:52,769 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 00:06:52,772 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 00:06:52,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:06:52,802 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 00:06:56,769 INFO L227 lantSequenceWeakener]: Weakened 63 states. On average, predicates are now at 76.35% of their original sizes. [2018-11-07 00:06:56,769 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 00:07:07,609 INFO L415 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-11-07 00:07:07,609 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 00:07:07,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 00:07:07,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [4] total 20 [2018-11-07 00:07:07,610 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:07:07,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 00:07:07,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 00:07:07,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-11-07 00:07:07,611 INFO L87 Difference]: Start difference. First operand 49400 states and 75287 transitions. Second operand 18 states. Received shutdown request... [2018-11-07 00:08:58,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-07 00:08:58,141 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 00:08:58,146 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 00:08:58,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:08:58 BoogieIcfgContainer [2018-11-07 00:08:58,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 00:08:58,147 INFO L168 Benchmark]: Toolchain (without parser) took 230522.21 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 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 911.0 MB. Max. memory is 7.1 GB. [2018-11-07 00:08:58,149 INFO L168 Benchmark]: CDTParser took 0.62 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 00:08:58,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2201.81 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 00:08:58,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 312.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.1 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 54.4 MB. Max. memory is 7.1 GB. [2018-11-07 00:08:58,151 INFO L168 Benchmark]: Boogie Preprocessor took 239.29 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: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2018-11-07 00:08:58,152 INFO L168 Benchmark]: RCFGBuilder took 8708.71 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: -158.0 MB). Peak memory consumption was 661.8 MB. Max. memory is 7.1 GB. [2018-11-07 00:08:58,152 INFO L168 Benchmark]: TraceAbstraction took 219054.70 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 3.2 GB in the end (delta: -816.7 MB). Peak memory consumption was 960.1 MB. Max. memory is 7.1 GB. [2018-11-07 00:08:58,161 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 2201.81 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 312.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.1 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 54.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 239.29 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: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8708.71 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: -158.0 MB). Peak memory consumption was 661.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219054.70 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 3.2 GB in the end (delta: -816.7 MB). Peak memory consumption was 960.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 63). Cancelled while BasicCegarLoop was constructing difference of abstraction (49400states) and FLOYD_HOARE automaton (currently 15 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (1748 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 218.9s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 171.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 860 SDtfs, 19835 SDslu, 1030 SDs, 0 SdLazy, 33095 SolverSat, 8342 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 83.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 235 GetRequests, 163 SyntacticMatches, 10 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49400occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 25.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9947291761492943 AbsIntWeakeningRatio, 0.1242603550295858 AbsIntAvgWeakeningVarsNumRemoved, 22.875739644970412 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 936 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 808 NumberOfCodeBlocks, 808 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 462343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 89/102 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown