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_label54_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 22:23:27,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 22:23:27,666 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 22:23:27,681 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 22:23:27,681 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 22:23:27,682 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 22:23:27,684 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 22:23:27,685 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 22:23:27,687 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 22:23:27,688 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 22:23:27,689 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 22:23:27,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 22:23:27,691 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 22:23:27,692 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 22:23:27,693 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 22:23:27,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 22:23:27,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 22:23:27,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 22:23:27,699 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 22:23:27,701 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 22:23:27,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 22:23:27,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 22:23:27,706 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 22:23:27,715 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 22:23:27,733 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 22:23:27,737 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 22:23:27,738 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 22:23:27,738 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 22:23:27,738 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 22:23:27,739 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 22:23:27,739 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 22:23:27,739 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 22:23:27,739 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 22:23:27,739 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 22:23:27,739 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 22:23:27,740 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 22:23:27,740 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 22:23:27,741 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 22:23:27,741 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 22:23:27,741 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 22:23:27,741 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 22:23:27,741 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 22:23:27,742 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 22:23:27,742 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 22:23:27,742 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 22:23:27,742 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 22:23:27,742 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 22:23:27,743 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 22:23:27,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:23:27,746 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 22:23:27,747 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 22:23:27,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 22:23:27,747 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 22:23:27,747 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 22:23:27,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 22:23:27,748 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 22:23:27,748 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 22:23:27,748 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 22:23:27,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 22:23:27,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 22:23:27,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 22:23:27,832 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 22:23:27,833 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 22:23:27,834 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label54_true-unreach-call.c [2018-10-24 22:23:27,903 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c42eb9fec/da44c3da5b9246f3ac334db9e7e56e86/FLAGaf835483f [2018-10-24 22:23:28,644 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 22:23:28,645 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label54_true-unreach-call.c [2018-10-24 22:23:28,673 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c42eb9fec/da44c3da5b9246f3ac334db9e7e56e86/FLAGaf835483f [2018-10-24 22:23:28,691 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c42eb9fec/da44c3da5b9246f3ac334db9e7e56e86 [2018-10-24 22:23:28,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 22:23:28,703 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 22:23:28,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 22:23:28,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 22:23:28,708 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 22:23:28,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:23:28" (1/1) ... [2018-10-24 22:23:28,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b5a5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:28, skipping insertion in model container [2018-10-24 22:23:28,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:23:28" (1/1) ... [2018-10-24 22:23:28,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 22:23:28,878 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 22:23:29,976 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:23:29,981 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 22:23:30,451 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:23:30,482 INFO L193 MainTranslator]: Completed translation [2018-10-24 22:23:30,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30 WrapperNode [2018-10-24 22:23:30,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 22:23:30,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 22:23:30,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 22:23:30,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 22:23:30,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (1/1) ... [2018-10-24 22:23:30,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (1/1) ... [2018-10-24 22:23:30,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 22:23:30,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 22:23:30,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 22:23:30,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 22:23:30,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (1/1) ... [2018-10-24 22:23:30,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (1/1) ... [2018-10-24 22:23:30,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (1/1) ... [2018-10-24 22:23:30,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (1/1) ... [2018-10-24 22:23:31,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (1/1) ... [2018-10-24 22:23:31,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (1/1) ... [2018-10-24 22:23:31,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (1/1) ... [2018-10-24 22:23:31,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 22:23:31,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 22:23:31,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 22:23:31,162 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 22:23:31,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:23:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 22:23:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 22:23:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 22:23:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 22:23:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 22:23:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 22:23:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 22:23:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 22:23:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 22:23:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 22:23:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 22:23:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 22:23:38,994 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 22:23:38,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:23:38 BoogieIcfgContainer [2018-10-24 22:23:38,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 22:23:38,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 22:23:38,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 22:23:39,001 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 22:23:39,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:23:28" (1/3) ... [2018-10-24 22:23:39,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ee7930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:23:39, skipping insertion in model container [2018-10-24 22:23:39,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:30" (2/3) ... [2018-10-24 22:23:39,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ee7930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:23:39, skipping insertion in model container [2018-10-24 22:23:39,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:23:38" (3/3) ... [2018-10-24 22:23:39,005 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label54_true-unreach-call.c [2018-10-24 22:23:39,015 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 22:23:39,025 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 22:23:39,043 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 22:23:39,088 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 22:23:39,089 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 22:23:39,089 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 22:23:39,089 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 22:23:39,089 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 22:23:39,089 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 22:23:39,090 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 22:23:39,090 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 22:23:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-10-24 22:23:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-24 22:23:39,136 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:23:39,138 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:23:39,140 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:23:39,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:23:39,147 INFO L82 PathProgramCache]: Analyzing trace with hash 925011759, now seen corresponding path program 1 times [2018-10-24 22:23:39,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:23:39,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:23:39,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:23:39,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:23:39,200 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:23:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:23:39,659 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-24 22:23:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:23:39,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:23:39,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 22:23:39,698 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:23:39,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 22:23:39,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 22:23:39,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 22:23:39,753 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 4 states. [2018-10-24 22:23:51,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:23:51,197 INFO L93 Difference]: Finished difference Result 2974 states and 5747 transitions. [2018-10-24 22:23:51,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 22:23:51,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2018-10-24 22:23:51,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:23:51,242 INFO L225 Difference]: With dead ends: 2974 [2018-10-24 22:23:51,243 INFO L226 Difference]: Without dead ends: 2193 [2018-10-24 22:23:51,256 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 22:23:51,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2018-10-24 22:23:51,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2193. [2018-10-24 22:23:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2193 states. [2018-10-24 22:23:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 3677 transitions. [2018-10-24 22:23:51,483 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 3677 transitions. Word has length 41 [2018-10-24 22:23:51,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:23:51,485 INFO L481 AbstractCegarLoop]: Abstraction has 2193 states and 3677 transitions. [2018-10-24 22:23:51,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 22:23:51,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 3677 transitions. [2018-10-24 22:23:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-24 22:23:51,496 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:23:51,496 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:23:51,500 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:23:51,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:23:51,500 INFO L82 PathProgramCache]: Analyzing trace with hash 833468768, now seen corresponding path program 1 times [2018-10-24 22:23:51,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:23:51,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:23:51,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:23:51,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:23:51,504 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:23:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:23:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:23:51,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:23:51,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 22:23:51,789 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:23:51,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 22:23:51,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 22:23:51,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 22:23:51,792 INFO L87 Difference]: Start difference. First operand 2193 states and 3677 transitions. Second operand 5 states. [2018-10-24 22:24:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:24:01,863 INFO L93 Difference]: Finished difference Result 6600 states and 11248 transitions. [2018-10-24 22:24:01,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:24:01,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2018-10-24 22:24:01,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:24:01,905 INFO L225 Difference]: With dead ends: 6600 [2018-10-24 22:24:01,906 INFO L226 Difference]: Without dead ends: 4413 [2018-10-24 22:24:01,915 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 22:24:01,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2018-10-24 22:24:02,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 4378. [2018-10-24 22:24:02,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4378 states. [2018-10-24 22:24:02,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6986 transitions. [2018-10-24 22:24:02,064 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6986 transitions. Word has length 111 [2018-10-24 22:24:02,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:24:02,065 INFO L481 AbstractCegarLoop]: Abstraction has 4378 states and 6986 transitions. [2018-10-24 22:24:02,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 22:24:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6986 transitions. [2018-10-24 22:24:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-24 22:24:02,070 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:24:02,070 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:24:02,071 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:24:02,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:24:02,071 INFO L82 PathProgramCache]: Analyzing trace with hash -545802471, now seen corresponding path program 1 times [2018-10-24 22:24:02,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:24:02,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:24:02,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:24:02,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:24:02,073 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:24:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:24:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:24:02,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:24:02,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:24:02,304 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:24:02,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:24:02,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:24:02,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:24:02,305 INFO L87 Difference]: Start difference. First operand 4378 states and 6986 transitions. Second operand 6 states. [2018-10-24 22:24:07,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:24:07,688 INFO L93 Difference]: Finished difference Result 11002 states and 17598 transitions. [2018-10-24 22:24:07,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:24:07,689 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-10-24 22:24:07,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:24:07,729 INFO L225 Difference]: With dead ends: 11002 [2018-10-24 22:24:07,730 INFO L226 Difference]: Without dead ends: 6630 [2018-10-24 22:24:07,747 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 22:24:07,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6630 states. [2018-10-24 22:24:07,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6630 to 6590. [2018-10-24 22:24:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2018-10-24 22:24:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 9022 transitions. [2018-10-24 22:24:07,920 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 9022 transitions. Word has length 138 [2018-10-24 22:24:07,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:24:07,920 INFO L481 AbstractCegarLoop]: Abstraction has 6590 states and 9022 transitions. [2018-10-24 22:24:07,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:24:07,921 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 9022 transitions. [2018-10-24 22:24:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-24 22:24:07,924 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:24:07,925 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 22:24:07,925 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:24:07,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:24:07,926 INFO L82 PathProgramCache]: Analyzing trace with hash 736410430, now seen corresponding path program 1 times [2018-10-24 22:24:07,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:24:07,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:24:07,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:24:07,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:24:07,927 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:24:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:24:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-24 22:24:08,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:24:08,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 22:24:08,210 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:24:08,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 22:24:08,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 22:24:08,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 22:24:08,211 INFO L87 Difference]: Start difference. First operand 6590 states and 9022 transitions. Second operand 4 states. [2018-10-24 22:24:15,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:24:15,068 INFO L93 Difference]: Finished difference Result 25993 states and 36647 transitions. [2018-10-24 22:24:15,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 22:24:15,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2018-10-24 22:24:15,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:24:15,153 INFO L225 Difference]: With dead ends: 25993 [2018-10-24 22:24:15,153 INFO L226 Difference]: Without dead ends: 19409 [2018-10-24 22:24:15,199 INFO L605 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 [2018-10-24 22:24:15,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19409 states. [2018-10-24 22:24:15,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19409 to 19409. [2018-10-24 22:24:15,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19409 states. [2018-10-24 22:24:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19409 states to 19409 states and 25172 transitions. [2018-10-24 22:24:15,661 INFO L78 Accepts]: Start accepts. Automaton has 19409 states and 25172 transitions. Word has length 218 [2018-10-24 22:24:15,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:24:15,661 INFO L481 AbstractCegarLoop]: Abstraction has 19409 states and 25172 transitions. [2018-10-24 22:24:15,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 22:24:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 19409 states and 25172 transitions. [2018-10-24 22:24:15,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2018-10-24 22:24:15,696 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:24:15,696 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:24:15,697 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:24:15,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:24:15,697 INFO L82 PathProgramCache]: Analyzing trace with hash 228154957, now seen corresponding path program 1 times [2018-10-24 22:24:15,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:24:15,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:24:15,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:24:15,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:24:15,699 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:24:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:24:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 202 proven. 96 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-24 22:24:16,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:24:16,576 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:24:16,577 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 471 with the following transitions: [2018-10-24 22:24:16,579 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1851], [1853], [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], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2224], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2328], [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], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2672], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-10-24 22:24:16,662 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:24:16,663 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:24:22,380 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:24:22,382 INFO L272 AbstractInterpreter]: Visited 215 different actions 215 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 22:24:22,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:24:22,394 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:24:26,042 INFO L232 lantSequenceWeakener]: Weakened 459 states. On average, predicates are now at 77.56% of their original sizes. [2018-10-24 22:24:26,042 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:24:26,554 INFO L413 sIntCurrentIteration]: We have 469 unified AI predicates [2018-10-24 22:24:26,555 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:24:26,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:24:26,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-10-24 22:24:26,556 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:24:26,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 22:24:26,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 22:24:26,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 22:24:26,558 INFO L87 Difference]: Start difference. First operand 19409 states and 25172 transitions. Second operand 8 states. [2018-10-24 22:24:35,662 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 22:25:30,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:25:30,222 INFO L93 Difference]: Finished difference Result 39517 states and 51075 transitions. [2018-10-24 22:25:30,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 22:25:30,222 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 470 [2018-10-24 22:25:30,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:25:30,284 INFO L225 Difference]: With dead ends: 39517 [2018-10-24 22:25:30,284 INFO L226 Difference]: Without dead ends: 20114 [2018-10-24 22:25:30,329 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 471 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 22:25:30,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20114 states. [2018-10-24 22:25:30,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20114 to 20112. [2018-10-24 22:25:30,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20112 states. [2018-10-24 22:25:30,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20112 states to 20112 states and 25887 transitions. [2018-10-24 22:25:30,738 INFO L78 Accepts]: Start accepts. Automaton has 20112 states and 25887 transitions. Word has length 470 [2018-10-24 22:25:30,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:25:30,740 INFO L481 AbstractCegarLoop]: Abstraction has 20112 states and 25887 transitions. [2018-10-24 22:25:30,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 22:25:30,741 INFO L276 IsEmpty]: Start isEmpty. Operand 20112 states and 25887 transitions. [2018-10-24 22:25:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2018-10-24 22:25:30,794 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:25:30,795 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:25:30,796 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:25:30,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:25:30,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1950709326, now seen corresponding path program 1 times [2018-10-24 22:25:30,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:25:30,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:25:30,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:25:30,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:25:30,800 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:25:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:25:31,410 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 22:25:31,617 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 22:25:31,834 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 22:25:32,239 WARN L179 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-24 22:25:32,505 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-24 22:25:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 161 proven. 337 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 22:25:33,083 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:25:33,083 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:25:33,083 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 642 with the following transitions: [2018-10-24 22:25:33,085 INFO L202 CegarAbsIntRunner]: [0], [1], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [787], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1851], [1853], [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], [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], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-10-24 22:25:33,098 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:25:33,098 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:25:53,630 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:25:53,630 INFO L272 AbstractInterpreter]: Visited 312 different actions 617 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 22:25:53,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:25:53,640 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:26:00,682 INFO L232 lantSequenceWeakener]: Weakened 398 states. On average, predicates are now at 77.5% of their original sizes. [2018-10-24 22:26:00,683 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:26:53,651 INFO L413 sIntCurrentIteration]: We have 640 unified AI predicates [2018-10-24 22:26:53,651 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:26:53,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:26:53,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [11] total 29 [2018-10-24 22:26:53,652 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:26:53,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-24 22:26:53,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-24 22:26:53,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2018-10-24 22:26:53,653 INFO L87 Difference]: Start difference. First operand 20112 states and 25887 transitions. Second operand 20 states. Received shutdown request... [2018-10-24 22:26:56,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 22:26:56,440 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 22:26:56,444 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 22:26:56,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:26:56 BoogieIcfgContainer [2018-10-24 22:26:56,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 22:26:56,446 INFO L168 Benchmark]: Toolchain (without parser) took 207743.59 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-24 22:26:56,447 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 22:26:56,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1779.75 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. [2018-10-24 22:26:56,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 463.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -946.4 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2018-10-24 22:26:56,450 INFO L168 Benchmark]: Boogie Preprocessor took 213.15 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2018-10-24 22:26:56,450 INFO L168 Benchmark]: RCFGBuilder took 7834.68 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: 506.5 MB). Peak memory consumption was 506.5 MB. Max. memory is 7.1 GB. [2018-10-24 22:26:56,451 INFO L168 Benchmark]: TraceAbstraction took 197447.81 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -821.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-24 22:26:56,457 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1779.75 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 463.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -946.4 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 213.15 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7834.68 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: 506.5 MB). Peak memory consumption was 506.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 197447.81 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -821.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 111). Cancelled while BasicCegarLoop was constructing difference of abstraction (20112states) and FLOYD_HOARE automaton (currently 6 states, 20 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 22 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 197.3s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 100.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1790 SDtfs, 9593 SDslu, 655 SDs, 0 SdLazy, 16739 SolverSat, 5119 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1144 GetRequests, 994 SyntacticMatches, 104 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 53.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20112occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 26.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9975807294729552 AbsIntWeakeningRatio, 0.061316501352569885 AbsIntAvgWeakeningVarsNumRemoved, 393.17673579801624 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 77 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1619 NumberOfCodeBlocks, 1619 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1613 ConstructedInterpolants, 0 QuantifiedInterpolants, 3071582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 695/1128 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown