java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label52_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 22:58:35,378 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 22:58:35,380 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 22:58:35,392 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 22:58:35,393 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 22:58:35,394 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 22:58:35,395 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 22:58:35,397 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 22:58:35,399 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 22:58:35,400 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 22:58:35,401 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 22:58:35,401 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 22:58:35,402 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 22:58:35,403 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 22:58:35,404 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 22:58:35,405 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 22:58:35,406 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 22:58:35,408 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 22:58:35,410 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 22:58:35,411 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 22:58:35,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 22:58:35,420 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 22:58:35,424 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 22:58:35,437 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-23 22:58:35,468 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 22:58:35,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 22:58:35,469 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 22:58:35,469 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 22:58:35,469 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 22:58:35,469 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 22:58:35,469 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 22:58:35,470 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 22:58:35,470 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 22:58:35,470 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 22:58:35,470 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 22:58:35,470 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 22:58:35,472 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 22:58:35,472 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 22:58:35,472 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 22:58:35,473 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 22:58:35,473 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 22:58:35,473 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 22:58:35,473 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 22:58:35,473 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 22:58:35,474 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 22:58:35,476 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 22:58:35,476 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 22:58:35,476 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 22:58:35,476 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 22:58:35,477 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 22:58:35,477 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 22:58:35,477 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 22:58:35,477 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 22:58:35,478 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 22:58:35,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 22:58:35,478 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 22:58:35,478 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 22:58:35,478 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 22:58:35,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 22:58:35,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 22:58:35,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 22:58:35,565 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 22:58:35,565 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 22:58:35,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label52_false-unreach-call.c [2018-10-23 22:58:35,627 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/18112eeb5/98c8c8a0d53b42568ca4065249775456/FLAG8e8a19d1e [2018-10-23 22:58:36,387 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 22:58:36,388 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label52_false-unreach-call.c [2018-10-23 22:58:36,421 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/18112eeb5/98c8c8a0d53b42568ca4065249775456/FLAG8e8a19d1e [2018-10-23 22:58:36,440 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/18112eeb5/98c8c8a0d53b42568ca4065249775456 [2018-10-23 22:58:36,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 22:58:36,456 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 22:58:36,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 22:58:36,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 22:58:36,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 22:58:36,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:58:36" (1/1) ... [2018-10-23 22:58:36,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ee7daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:36, skipping insertion in model container [2018-10-23 22:58:36,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:58:36" (1/1) ... [2018-10-23 22:58:36,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 22:58:36,620 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 22:58:37,693 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:58:37,699 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 22:58:38,152 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:58:38,182 INFO L193 MainTranslator]: Completed translation [2018-10-23 22:58:38,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38 WrapperNode [2018-10-23 22:58:38,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 22:58:38,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 22:58:38,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 22:58:38,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 22:58:38,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (1/1) ... [2018-10-23 22:58:38,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (1/1) ... [2018-10-23 22:58:38,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 22:58:38,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 22:58:38,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 22:58:38,583 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 22:58:38,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (1/1) ... [2018-10-23 22:58:38,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (1/1) ... [2018-10-23 22:58:38,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (1/1) ... [2018-10-23 22:58:38,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (1/1) ... [2018-10-23 22:58:38,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (1/1) ... [2018-10-23 22:58:38,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (1/1) ... [2018-10-23 22:58:38,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (1/1) ... [2018-10-23 22:58:38,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 22:58:38,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 22:58:38,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 22:58:38,805 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 22:58:38,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 22:58:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 22:58:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 22:58:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-23 22:58:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-23 22:58:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-23 22:58:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-23 22:58:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 22:58:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 22:58:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 22:58:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 22:58:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 22:58:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 22:58:48,768 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 22:58:48,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:58:48 BoogieIcfgContainer [2018-10-23 22:58:48,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 22:58:48,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 22:58:48,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 22:58:48,775 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 22:58:48,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:58:36" (1/3) ... [2018-10-23 22:58:48,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adaa43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:58:48, skipping insertion in model container [2018-10-23 22:58:48,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:58:38" (2/3) ... [2018-10-23 22:58:48,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adaa43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:58:48, skipping insertion in model container [2018-10-23 22:58:48,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:58:48" (3/3) ... [2018-10-23 22:58:48,780 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label52_false-unreach-call.c [2018-10-23 22:58:48,791 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 22:58:48,802 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 22:58:48,821 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 22:58:48,885 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 22:58:48,885 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 22:58:48,885 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 22:58:48,886 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 22:58:48,886 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 22:58:48,886 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 22:58:48,886 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 22:58:48,886 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 22:58:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-10-23 22:58:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-23 22:58:48,958 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:58:48,959 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] [2018-10-23 22:58:48,962 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:58:48,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:58:48,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1718178119, now seen corresponding path program 1 times [2018-10-23 22:58:48,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:58:49,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:58:49,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:58:49,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:58:49,040 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:58:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:58:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:58:49,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:58:49,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 22:58:49,450 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:58:49,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 22:58:49,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 22:58:49,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:58:49,477 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 4 states. [2018-10-23 22:59:00,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:59:00,390 INFO L93 Difference]: Finished difference Result 2974 states and 5747 transitions. [2018-10-23 22:59:00,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 22:59:00,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-10-23 22:59:00,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:59:00,433 INFO L225 Difference]: With dead ends: 2974 [2018-10-23 22:59:00,434 INFO L226 Difference]: Without dead ends: 2193 [2018-10-23 22:59:00,445 INFO L605 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 [2018-10-23 22:59:00,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2018-10-23 22:59:00,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2193. [2018-10-23 22:59:00,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2193 states. [2018-10-23 22:59:00,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 3506 transitions. [2018-10-23 22:59:00,686 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 3506 transitions. Word has length 23 [2018-10-23 22:59:00,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:59:00,687 INFO L481 AbstractCegarLoop]: Abstraction has 2193 states and 3506 transitions. [2018-10-23 22:59:00,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 22:59:00,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 3506 transitions. [2018-10-23 22:59:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-23 22:59:00,693 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:59:00,693 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 22:59:00,694 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:59:00,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:59:00,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1227431640, now seen corresponding path program 1 times [2018-10-23 22:59:00,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:59:00,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:00,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:59:00,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:00,696 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:59:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:59:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:59:00,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:59:00,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 22:59:00,983 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:59:00,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 22:59:00,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 22:59:00,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-23 22:59:00,988 INFO L87 Difference]: Start difference. First operand 2193 states and 3506 transitions. Second operand 5 states. [2018-10-23 22:59:10,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:59:10,437 INFO L93 Difference]: Finished difference Result 6600 states and 10738 transitions. [2018-10-23 22:59:10,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:59:10,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-10-23 22:59:10,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:59:10,475 INFO L225 Difference]: With dead ends: 6600 [2018-10-23 22:59:10,476 INFO L226 Difference]: Without dead ends: 4413 [2018-10-23 22:59:10,484 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-23 22:59:10,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2018-10-23 22:59:10,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 4378. [2018-10-23 22:59:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4378 states. [2018-10-23 22:59:10,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6712 transitions. [2018-10-23 22:59:10,634 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6712 transitions. Word has length 93 [2018-10-23 22:59:10,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:59:10,635 INFO L481 AbstractCegarLoop]: Abstraction has 4378 states and 6712 transitions. [2018-10-23 22:59:10,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 22:59:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6712 transitions. [2018-10-23 22:59:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-23 22:59:10,641 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:59:10,643 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 22:59:10,643 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:59:10,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:59:10,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1923349871, now seen corresponding path program 1 times [2018-10-23 22:59:10,645 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:59:10,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:10,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:59:10,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:10,647 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:59:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:59:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:59:10,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:59:10,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:59:10,957 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:59:10,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:59:10,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:59:10,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:59:10,959 INFO L87 Difference]: Start difference. First operand 4378 states and 6712 transitions. Second operand 6 states. [2018-10-23 22:59:16,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:59:16,610 INFO L93 Difference]: Finished difference Result 11002 states and 16943 transitions. [2018-10-23 22:59:16,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:59:16,613 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-10-23 22:59:16,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:59:16,663 INFO L225 Difference]: With dead ends: 11002 [2018-10-23 22:59:16,664 INFO L226 Difference]: Without dead ends: 6630 [2018-10-23 22:59:16,682 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:59:16,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6630 states. [2018-10-23 22:59:16,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6630 to 6590. [2018-10-23 22:59:16,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2018-10-23 22:59:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 8773 transitions. [2018-10-23 22:59:16,869 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 8773 transitions. Word has length 120 [2018-10-23 22:59:16,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:59:16,870 INFO L481 AbstractCegarLoop]: Abstraction has 6590 states and 8773 transitions. [2018-10-23 22:59:16,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:59:16,871 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 8773 transitions. [2018-10-23 22:59:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-23 22:59:16,873 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:59:16,873 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 22:59:16,873 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:59:16,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:59:16,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1072228357, now seen corresponding path program 1 times [2018-10-23 22:59:16,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:59:16,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:16,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:59:16,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:16,876 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:59:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:59:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:59:17,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:59:17,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 22:59:17,027 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:59:17,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 22:59:17,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 22:59:17,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:59:17,028 INFO L87 Difference]: Start difference. First operand 6590 states and 8773 transitions. Second operand 4 states. [2018-10-23 22:59:22,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:59:22,763 INFO L93 Difference]: Finished difference Result 13174 states and 17554 transitions. [2018-10-23 22:59:22,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 22:59:22,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2018-10-23 22:59:22,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:59:22,806 INFO L225 Difference]: With dead ends: 13174 [2018-10-23 22:59:22,807 INFO L226 Difference]: Without dead ends: 6590 [2018-10-23 22:59:22,831 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:59:22,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6590 states. [2018-10-23 22:59:22,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6590 to 6590. [2018-10-23 22:59:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2018-10-23 22:59:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 8069 transitions. [2018-10-23 22:59:22,977 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 8069 transitions. Word has length 130 [2018-10-23 22:59:22,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:59:22,978 INFO L481 AbstractCegarLoop]: Abstraction has 6590 states and 8069 transitions. [2018-10-23 22:59:22,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 22:59:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 8069 transitions. [2018-10-23 22:59:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-23 22:59:22,981 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:59:22,982 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:59:22,982 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:59:22,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:59:22,982 INFO L82 PathProgramCache]: Analyzing trace with hash -2065744106, now seen corresponding path program 1 times [2018-10-23 22:59:22,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:59:22,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:22,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:59:22,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:22,984 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:59:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:59:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-23 22:59:23,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:59:23,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 22:59:23,143 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:59:23,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 22:59:23,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 22:59:23,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:59:23,144 INFO L87 Difference]: Start difference. First operand 6590 states and 8069 transitions. Second operand 4 states. [2018-10-23 22:59:31,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:59:31,073 INFO L93 Difference]: Finished difference Result 26037 states and 32773 transitions. [2018-10-23 22:59:31,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 22:59:31,073 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2018-10-23 22:59:31,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:59:31,154 INFO L225 Difference]: With dead ends: 26037 [2018-10-23 22:59:31,155 INFO L226 Difference]: Without dead ends: 19453 [2018-10-23 22:59:31,178 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:59:31,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19453 states. [2018-10-23 22:59:31,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19453 to 18750. [2018-10-23 22:59:31,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18750 states. [2018-10-23 22:59:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18750 states to 18750 states and 22778 transitions. [2018-10-23 22:59:31,642 INFO L78 Accepts]: Start accepts. Automaton has 18750 states and 22778 transitions. Word has length 200 [2018-10-23 22:59:31,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:59:31,643 INFO L481 AbstractCegarLoop]: Abstraction has 18750 states and 22778 transitions. [2018-10-23 22:59:31,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 22:59:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 18750 states and 22778 transitions. [2018-10-23 22:59:31,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-23 22:59:31,649 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:59:31,649 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:59:31,649 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:59:31,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:59:31,651 INFO L82 PathProgramCache]: Analyzing trace with hash -495991293, now seen corresponding path program 1 times [2018-10-23 22:59:31,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:59:31,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:31,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:59:31,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:31,652 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:59:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:59:32,074 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 8 [2018-10-23 22:59:32,427 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-23 22:59:32,719 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-10-23 22:59:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 32 proven. 84 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-23 22:59:32,839 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:59:32,840 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:59:32,840 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-10-23 22:59:32,843 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1707], [1709], [1712], [1720], [1728], [1736], [1744], [1752], [1760], [1768], [1776], [1784], [1792], [1800], [1808], [1816], [1824], [1832], [1840], [1848], [1856], [1864], [1872], [1880], [1888], [1896], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2192], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2264], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-10-23 22:59:32,931 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:59:32,931 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:59:35,420 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 22:59:36,329 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:59:36,331 INFO L272 AbstractInterpreter]: Visited 112 different actions 112 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-23 22:59:36,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:59:36,374 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:59:38,719 INFO L232 lantSequenceWeakener]: Weakened 211 states. On average, predicates are now at 77.47% of their original sizes. [2018-10-23 22:59:38,719 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 22:59:38,969 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 22:59:38,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 22:59:38,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2018-10-23 22:59:38,971 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:59:38,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 22:59:38,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 22:59:38,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-23 22:59:38,972 INFO L87 Difference]: Start difference. First operand 18750 states and 22778 transitions. Second operand 7 states. [2018-10-23 23:01:17,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:01:17,422 INFO L93 Difference]: Finished difference Result 38199 states and 46331 transitions. [2018-10-23 23:01:17,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 23:01:17,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 219 [2018-10-23 23:01:17,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:01:17,466 INFO L225 Difference]: With dead ends: 38199 [2018-10-23 23:01:17,467 INFO L226 Difference]: Without dead ends: 19455 [2018-10-23 23:01:17,503 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 219 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-23 23:01:17,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19455 states. [2018-10-23 23:01:17,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19455 to 19453. [2018-10-23 23:01:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19453 states. [2018-10-23 23:01:17,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19453 states to 19453 states and 23493 transitions. [2018-10-23 23:01:17,826 INFO L78 Accepts]: Start accepts. Automaton has 19453 states and 23493 transitions. Word has length 219 [2018-10-23 23:01:17,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:01:17,826 INFO L481 AbstractCegarLoop]: Abstraction has 19453 states and 23493 transitions. [2018-10-23 23:01:17,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 23:01:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 19453 states and 23493 transitions. [2018-10-23 23:01:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2018-10-23 23:01:17,836 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:01:17,836 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:01:17,837 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:01:17,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:01:17,837 INFO L82 PathProgramCache]: Analyzing trace with hash 496417121, now seen corresponding path program 1 times [2018-10-23 23:01:17,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:01:17,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:01:17,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:01:17,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:01:17,839 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:01:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:01:18,345 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 23:01:18,545 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 23:01:18,758 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 23:01:19,178 WARN L179 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-23 23:01:19,767 WARN L179 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-23 23:01:20,305 WARN L179 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-10-23 23:01:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 107 proven. 221 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-23 23:01:20,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 23:01:20,600 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 23:01:20,600 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 407 with the following transitions: [2018-10-23 23:01:20,600 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1707], [1709], [1712], [1720], [1728], [1736], [1744], [1752], [1760], [1768], [1776], [1784], [1792], [1800], [1808], [1816], [1824], [1832], [1840], [1848], [1856], [1864], [1872], [1880], [1888], [1896], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2192], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2264], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [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], [2584], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-10-23 23:01:20,611 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 23:01:20,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 23:01:21,826 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 23:01:32,887 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 23:01:32,887 INFO L272 AbstractInterpreter]: Visited 196 different actions 385 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-23 23:01:32,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:01:32,894 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 23:01:37,657 INFO L232 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 77.89% of their original sizes. [2018-10-23 23:01:37,657 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-23 23:02:14,108 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 23:02:14,113 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 23:02:14,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:02:14 BoogieIcfgContainer [2018-10-23 23:02:14,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 23:02:14,116 INFO L168 Benchmark]: Toolchain (without parser) took 217661.84 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 69.3 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-10-23 23:02:14,117 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 23:02:14,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1726.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. [2018-10-23 23:02:14,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 398.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 786.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -961.6 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2018-10-23 23:02:14,120 INFO L168 Benchmark]: Boogie Preprocessor took 221.53 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2018-10-23 23:02:14,121 INFO L168 Benchmark]: RCFGBuilder took 9965.75 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 525.0 MB). Peak memory consumption was 525.0 MB. Max. memory is 7.1 GB. [2018-10-23 23:02:14,121 INFO L168 Benchmark]: TraceAbstraction took 205343.46 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 1.4 GB in the end (delta: 344.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-23 23:02:14,132 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1726.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 398.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 786.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -961.6 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 221.53 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9965.75 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 525.0 MB). Peak memory consumption was 525.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205343.46 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 1.4 GB in the end (delta: 344.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 57). Cancelled while BasicCegarLoop was analyzing trace of length 407 with TraceHistMax 4,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 14 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 205.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 138.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2681 SDtfs, 10877 SDslu, 1048 SDs, 0 SdLazy, 23046 SolverSat, 5717 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 90.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 254 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19453occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 15.8s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9960773024402727 AbsIntWeakeningRatio, 0.09309791332263243 AbsIntAvgWeakeningVarsNumRemoved, 327.5024077046549 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 780 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 785 NumberOfCodeBlocks, 785 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 545419 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 187/271 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown