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-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label16_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 16:22:10,125 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 16:22:10,130 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 16:22:10,147 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 16:22:10,148 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 16:22:10,149 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 16:22:10,150 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 16:22:10,152 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 16:22:10,154 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 16:22:10,155 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 16:22:10,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 16:22:10,156 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 16:22:10,157 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 16:22:10,158 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 16:22:10,159 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 16:22:10,160 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 16:22:10,161 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 16:22:10,162 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 16:22:10,165 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 16:22:10,166 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 16:22:10,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 16:22:10,169 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 16:22:10,173 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 16:22:10,174 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 16:22:10,174 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 16:22:10,175 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 16:22:10,179 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 16:22:10,180 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 16:22:10,181 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 16:22:10,182 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 16:22:10,182 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 16:22:10,183 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 16:22:10,183 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 16:22:10,183 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 16:22:10,184 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 16:22:10,185 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 16:22:10,185 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 16:22:10,212 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 16:22:10,212 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 16:22:10,213 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 16:22:10,213 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 16:22:10,213 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 16:22:10,217 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 16:22:10,217 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 16:22:10,217 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 16:22:10,217 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 16:22:10,217 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 16:22:10,218 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 16:22:10,218 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 16:22:10,218 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 16:22:10,219 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 16:22:10,219 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 16:22:10,220 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 16:22:10,220 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 16:22:10,220 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 16:22:10,220 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 16:22:10,220 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 16:22:10,221 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 16:22:10,222 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 16:22:10,222 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 16:22:10,222 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 16:22:10,222 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 16:22:10,223 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 16:22:10,223 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 16:22:10,223 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 16:22:10,223 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 16:22:10,223 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 16:22:10,224 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 16:22:10,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 16:22:10,224 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 16:22:10,224 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 16:22:10,224 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 16:22:10,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 16:22:10,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 16:22:10,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 16:22:10,291 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 16:22:10,293 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 16:22:10,294 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label16_false-unreach-call.c [2018-11-12 16:22:10,357 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbf73bb29/231b840a378144e8a779b18fb8503e27/FLAGa3791baf1 [2018-11-12 16:22:11,209 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 16:22:11,210 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label16_false-unreach-call.c [2018-11-12 16:22:11,249 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbf73bb29/231b840a378144e8a779b18fb8503e27/FLAGa3791baf1 [2018-11-12 16:22:11,270 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbf73bb29/231b840a378144e8a779b18fb8503e27 [2018-11-12 16:22:11,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 16:22:11,286 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 16:22:11,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 16:22:11,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 16:22:11,295 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 16:22:11,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:22:11" (1/1) ... [2018-11-12 16:22:11,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3631e39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:11, skipping insertion in model container [2018-11-12 16:22:11,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:22:11" (1/1) ... [2018-11-12 16:22:11,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 16:22:11,514 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 16:22:13,097 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 16:22:13,102 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 16:22:13,835 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 16:22:13,875 INFO L193 MainTranslator]: Completed translation [2018-11-12 16:22:13,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13 WrapperNode [2018-11-12 16:22:13,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 16:22:13,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 16:22:13,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 16:22:13,878 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 16:22:13,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (1/1) ... [2018-11-12 16:22:14,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (1/1) ... [2018-11-12 16:22:14,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 16:22:14,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 16:22:14,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 16:22:14,262 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 16:22:14,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (1/1) ... [2018-11-12 16:22:14,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (1/1) ... [2018-11-12 16:22:14,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (1/1) ... [2018-11-12 16:22:14,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (1/1) ... [2018-11-12 16:22:14,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (1/1) ... [2018-11-12 16:22:14,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (1/1) ... [2018-11-12 16:22:14,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (1/1) ... [2018-11-12 16:22:14,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 16:22:14,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 16:22:14,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 16:22:14,555 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 16:22:14,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (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 [2018-11-12 16:22:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 16:22:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 16:22:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 16:22:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 16:22:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 16:22:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 16:22:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 16:22:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 16:22:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 16:22:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 16:22:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 16:22:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 16:22:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 16:22:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 16:22:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 16:22:25,597 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 16:22:25,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:22:25 BoogieIcfgContainer [2018-11-12 16:22:25,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 16:22:25,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 16:22:25,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 16:22:25,603 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 16:22:25,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:22:11" (1/3) ... [2018-11-12 16:22:25,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c63df81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:22:25, skipping insertion in model container [2018-11-12 16:22:25,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:22:13" (2/3) ... [2018-11-12 16:22:25,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c63df81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:22:25, skipping insertion in model container [2018-11-12 16:22:25,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:22:25" (3/3) ... [2018-11-12 16:22:25,606 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label16_false-unreach-call.c [2018-11-12 16:22:25,617 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 16:22:25,627 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 16:22:25,645 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 16:22:25,693 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 16:22:25,693 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 16:22:25,693 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 16:22:25,694 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 16:22:25,694 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 16:22:25,694 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 16:22:25,694 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 16:22:25,694 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 16:22:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-12 16:22:25,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-12 16:22:25,760 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:22:25,761 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:22:25,763 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:22:25,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:22:25,770 INFO L82 PathProgramCache]: Analyzing trace with hash -263772117, now seen corresponding path program 1 times [2018-11-12 16:22:25,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:22:25,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:22:25,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:22:25,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:22:25,833 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:22:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:22:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:22:26,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:22:26,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 16:22:26,254 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:22:26,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 16:22:26,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 16:22:26,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:22:26,288 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-11-12 16:22:38,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:22:38,565 INFO L93 Difference]: Finished difference Result 3968 states and 7392 transitions. [2018-11-12 16:22:38,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 16:22:38,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-11-12 16:22:38,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:22:38,609 INFO L225 Difference]: With dead ends: 3968 [2018-11-12 16:22:38,609 INFO L226 Difference]: Without dead ends: 2842 [2018-11-12 16:22:38,622 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:22:38,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2842 states. [2018-11-12 16:22:38,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2842 to 1981. [2018-11-12 16:22:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1981 states. [2018-11-12 16:22:38,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1981 states and 3456 transitions. [2018-11-12 16:22:38,822 INFO L78 Accepts]: Start accepts. Automaton has 1981 states and 3456 transitions. Word has length 29 [2018-11-12 16:22:38,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:22:38,824 INFO L480 AbstractCegarLoop]: Abstraction has 1981 states and 3456 transitions. [2018-11-12 16:22:38,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 16:22:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 3456 transitions. [2018-11-12 16:22:38,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-12 16:22:38,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:22:38,833 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:22:38,833 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:22:38,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:22:38,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1557102702, now seen corresponding path program 1 times [2018-11-12 16:22:38,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:22:38,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:22:38,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:22:38,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:22:38,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:22:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:22:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:22:39,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:22:39,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 16:22:39,204 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:22:39,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 16:22:39,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 16:22:39,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 16:22:39,207 INFO L87 Difference]: Start difference. First operand 1981 states and 3456 transitions. Second operand 5 states. [2018-11-12 16:22:50,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:22:50,324 INFO L93 Difference]: Finished difference Result 5673 states and 10081 transitions. [2018-11-12 16:22:50,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 16:22:50,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2018-11-12 16:22:50,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:22:50,359 INFO L225 Difference]: With dead ends: 5673 [2018-11-12 16:22:50,360 INFO L226 Difference]: Without dead ends: 3698 [2018-11-12 16:22:50,368 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 16:22:50,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3698 states. [2018-11-12 16:22:50,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3698 to 3687. [2018-11-12 16:22:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3687 states. [2018-11-12 16:22:50,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3687 states and 5870 transitions. [2018-11-12 16:22:50,491 INFO L78 Accepts]: Start accepts. Automaton has 3687 states and 5870 transitions. Word has length 99 [2018-11-12 16:22:50,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:22:50,492 INFO L480 AbstractCegarLoop]: Abstraction has 3687 states and 5870 transitions. [2018-11-12 16:22:50,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 16:22:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 5870 transitions. [2018-11-12 16:22:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-12 16:22:50,499 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:22:50,502 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:22:50,502 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:22:50,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:22:50,503 INFO L82 PathProgramCache]: Analyzing trace with hash 565598866, now seen corresponding path program 1 times [2018-11-12 16:22:50,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:22:50,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:22:50,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:22:50,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:22:50,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:22:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:22:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:22:50,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:22:50,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 16:22:50,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:22:50,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 16:22:50,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 16:22:50,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 16:22:50,718 INFO L87 Difference]: Start difference. First operand 3687 states and 5870 transitions. Second operand 5 states. [2018-11-12 16:22:59,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:22:59,738 INFO L93 Difference]: Finished difference Result 10955 states and 17866 transitions. [2018-11-12 16:22:59,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 16:22:59,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2018-11-12 16:22:59,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:22:59,782 INFO L225 Difference]: With dead ends: 10955 [2018-11-12 16:22:59,782 INFO L226 Difference]: Without dead ends: 7274 [2018-11-12 16:22:59,797 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 16:22:59,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7274 states. [2018-11-12 16:22:59,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7274 to 7167. [2018-11-12 16:22:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7167 states. [2018-11-12 16:23:00,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7167 states to 7167 states and 10519 transitions. [2018-11-12 16:23:00,002 INFO L78 Accepts]: Start accepts. Automaton has 7167 states and 10519 transitions. Word has length 101 [2018-11-12 16:23:00,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:23:00,002 INFO L480 AbstractCegarLoop]: Abstraction has 7167 states and 10519 transitions. [2018-11-12 16:23:00,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 16:23:00,003 INFO L276 IsEmpty]: Start isEmpty. Operand 7167 states and 10519 transitions. [2018-11-12 16:23:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-12 16:23:00,012 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:23:00,013 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:23:00,017 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:23:00,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:23:00,018 INFO L82 PathProgramCache]: Analyzing trace with hash 538164106, now seen corresponding path program 1 times [2018-11-12 16:23:00,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:23:00,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:23:00,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:23:00,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:23:00,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:23:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:23:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:23:00,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:23:00,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 16:23:00,281 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:23:00,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 16:23:00,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 16:23:00,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:23:00,282 INFO L87 Difference]: Start difference. First operand 7167 states and 10519 transitions. Second operand 4 states. [2018-11-12 16:23:09,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:23:09,460 INFO L93 Difference]: Finished difference Result 27611 states and 43118 transitions. [2018-11-12 16:23:09,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 16:23:09,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2018-11-12 16:23:09,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:23:09,570 INFO L225 Difference]: With dead ends: 27611 [2018-11-12 16:23:09,571 INFO L226 Difference]: Without dead ends: 20450 [2018-11-12 16:23:09,624 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:23:09,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20450 states. [2018-11-12 16:23:10,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20450 to 20412. [2018-11-12 16:23:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20412 states. [2018-11-12 16:23:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20412 states to 20412 states and 28897 transitions. [2018-11-12 16:23:10,225 INFO L78 Accepts]: Start accepts. Automaton has 20412 states and 28897 transitions. Word has length 145 [2018-11-12 16:23:10,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:23:10,226 INFO L480 AbstractCegarLoop]: Abstraction has 20412 states and 28897 transitions. [2018-11-12 16:23:10,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 16:23:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 20412 states and 28897 transitions. [2018-11-12 16:23:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-12 16:23:10,233 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:23:10,233 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:23:10,233 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:23:10,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:23:10,234 INFO L82 PathProgramCache]: Analyzing trace with hash -289846164, now seen corresponding path program 1 times [2018-11-12 16:23:10,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:23:10,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:23:10,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:23:10,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:23:10,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:23:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:23:10,541 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:23:10,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:23:10,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 16:23:10,542 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:23:10,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 16:23:10,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 16:23:10,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:23:10,543 INFO L87 Difference]: Start difference. First operand 20412 states and 28897 transitions. Second operand 4 states. [2018-11-12 16:23:19,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:23:19,098 INFO L93 Difference]: Finished difference Result 44857 states and 63038 transitions. [2018-11-12 16:23:19,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 16:23:19,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 224 [2018-11-12 16:23:19,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:23:19,195 INFO L225 Difference]: With dead ends: 44857 [2018-11-12 16:23:19,196 INFO L226 Difference]: Without dead ends: 24451 [2018-11-12 16:23:19,269 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:23:19,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24451 states. [2018-11-12 16:23:19,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24451 to 24450. [2018-11-12 16:23:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24450 states. [2018-11-12 16:23:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24450 states to 24450 states and 30606 transitions. [2018-11-12 16:23:19,785 INFO L78 Accepts]: Start accepts. Automaton has 24450 states and 30606 transitions. Word has length 224 [2018-11-12 16:23:19,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:23:19,786 INFO L480 AbstractCegarLoop]: Abstraction has 24450 states and 30606 transitions. [2018-11-12 16:23:19,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 16:23:19,786 INFO L276 IsEmpty]: Start isEmpty. Operand 24450 states and 30606 transitions. [2018-11-12 16:23:19,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-12 16:23:19,801 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:23:19,802 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:23:19,802 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:23:19,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:23:19,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1286281722, now seen corresponding path program 1 times [2018-11-12 16:23:19,803 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:23:19,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:23:19,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:23:19,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:23:19,804 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:23:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:23:20,164 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 16:23:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 139 proven. 69 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-12 16:23:20,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:23:20,624 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 16:23:20,625 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-11-12 16:23:20,627 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2759], [2761], [2764], [2772], [2780], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3120], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3297], [3302], [3304], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3358], [3363], [3365], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-12 16:23:20,694 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 16:23:20,694 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 16:23:21,976 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 16:23:21,978 INFO L272 AbstractInterpreter]: Visited 125 different actions 125 times. Never merged. Never widened. Performed 2842 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2842 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 26 variables. [2018-11-12 16:23:22,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:23:22,027 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 16:23:23,226 INFO L227 lantSequenceWeakener]: Weakened 299 states. On average, predicates are now at 71.05% of their original sizes. [2018-11-12 16:23:23,227 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 16:23:24,159 INFO L415 sIntCurrentIteration]: We unified 330 AI predicates to 330 [2018-11-12 16:23:24,159 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 16:23:24,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 16:23:24,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-12 16:23:24,160 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:23:24,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 16:23:24,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 16:23:24,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-12 16:23:24,162 INFO L87 Difference]: Start difference. First operand 24450 states and 30606 transitions. Second operand 11 states. [2018-11-12 16:23:39,433 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 16:25:22,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:25:22,040 INFO L93 Difference]: Finished difference Result 49703 states and 62066 transitions. [2018-11-12 16:25:22,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-12 16:25:22,041 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 331 [2018-11-12 16:25:22,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:25:22,119 INFO L225 Difference]: With dead ends: 49703 [2018-11-12 16:25:22,119 INFO L226 Difference]: Without dead ends: 25259 [2018-11-12 16:25:22,160 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 335 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-11-12 16:25:22,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25259 states. [2018-11-12 16:25:22,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25259 to 25254. [2018-11-12 16:25:22,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25254 states. [2018-11-12 16:25:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25254 states to 25254 states and 31420 transitions. [2018-11-12 16:25:22,622 INFO L78 Accepts]: Start accepts. Automaton has 25254 states and 31420 transitions. Word has length 331 [2018-11-12 16:25:22,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:25:22,623 INFO L480 AbstractCegarLoop]: Abstraction has 25254 states and 31420 transitions. [2018-11-12 16:25:22,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 16:25:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 25254 states and 31420 transitions. [2018-11-12 16:25:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2018-11-12 16:25:22,644 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:25:22,645 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:25:22,645 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:25:22,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:25:22,646 INFO L82 PathProgramCache]: Analyzing trace with hash 887823507, now seen corresponding path program 1 times [2018-11-12 16:25:22,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:25:22,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:25:22,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:25:22,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:25:22,647 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:25:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:25:23,297 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-12 16:25:23,595 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 15 Received shutdown request... [2018-11-12 16:25:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 197 proven. 175 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-11-12 16:25:41,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:25:41,371 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 16:25:41,371 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 433 with the following transitions: [2018-11-12 16:25:41,371 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2759], [2761], [2764], [2772], [2780], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3120], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3297], [3302], [3304], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3358], [3363], [3365], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-12 16:25:41,388 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 16:25:41,389 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 16:25:41,389 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-11-12 16:25:41,390 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-11-12 16:25:41,391 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-12 16:25:41,391 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:25:41,392 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 16:25:41,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:25:41,405 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 16:25:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:25:41,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 16:25:41,636 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-11-12 16:25:41,837 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 16:25:41,837 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 16:25:41,844 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 16:25:41,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:25:41 BoogieIcfgContainer [2018-11-12 16:25:41,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 16:25:41,846 INFO L168 Benchmark]: Toolchain (without parser) took 210560.60 ms. Allocated memory was 1.5 GB in the beginning and 7.6 GB in the end (delta: 6.0 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. [2018-11-12 16:25:41,847 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-12 16:25:41,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2588.95 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: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-11-12 16:25:41,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 384.01 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 809.0 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 67.8 MB. Max. memory is 7.1 GB. [2018-11-12 16:25:41,849 INFO L168 Benchmark]: Boogie Preprocessor took 292.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2018-11-12 16:25:41,850 INFO L168 Benchmark]: RCFGBuilder took 11043.62 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 159.9 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 27.6 MB). Peak memory consumption was 663.5 MB. Max. memory is 7.1 GB. [2018-11-12 16:25:41,851 INFO L168 Benchmark]: TraceAbstraction took 196245.92 ms. Allocated memory was 2.5 GB in the beginning and 7.6 GB in the end (delta: 5.1 GB). Free memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.6 GB. Max. memory is 7.1 GB. [2018-11-12 16:25:41,856 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 2588.95 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: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 384.01 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 809.0 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 67.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 292.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11043.62 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 159.9 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 27.6 MB). Peak memory consumption was 663.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 196245.92 ms. Allocated memory was 2.5 GB in the beginning and 7.6 GB in the end (delta: 5.1 GB). Free memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 78). Cancelled while BasicCegarLoop was analyzing trace of length 433 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 196.1s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 168.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4918 SDtfs, 14996 SDslu, 3483 SDs, 0 SdLazy, 32197 SolverSat, 6247 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 369 GetRequests, 336 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25254occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9981769273765322 AbsIntWeakeningRatio, 0.11515151515151516 AbsIntAvgWeakeningVarsNumRemoved, 0.45454545454545453 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 1023 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 929 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 923 ConstructedInterpolants, 0 QuantifiedInterpolants, 406417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 334/403 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown