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/Problem11_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:08:02,665 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:08:02,667 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:08:02,679 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:08:02,679 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:08:02,680 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:08:02,681 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:08:02,683 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:08:02,685 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:08:02,686 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:08:02,687 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:08:02,688 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:08:02,688 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:08:02,689 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:08:02,691 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:08:02,691 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:08:02,692 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:08:02,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:08:02,698 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:08:02,704 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:08:02,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:08:02,707 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:08:02,709 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 01:08:02,719 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 01:08:02,734 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:08:02,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:08:02,735 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:08:02,736 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:08:02,736 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:08:02,736 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:08:02,736 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:08:02,736 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:08:02,737 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:08:02,737 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:08:02,737 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:08:02,737 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:08:02,738 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:08:02,738 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:08:02,738 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:08:02,738 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:08:02,739 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:08:02,739 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:08:02,739 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:08:02,739 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:08:02,739 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:08:02,740 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:08:02,740 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:08:02,740 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:08:02,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:08:02,740 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:08:02,741 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:08:02,741 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:08:02,741 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:08:02,741 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:08:02,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:08:02,742 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:08:02,742 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:08:02,742 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:08:02,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:08:02,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:08:02,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:08:02,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:08:02,803 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:08:02,804 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c [2018-10-24 01:08:02,861 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0bfb625b0/6f225f1ee560435ca36f22b5fcc1421e/FLAGab1d863cd [2018-10-24 01:08:03,411 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:08:03,415 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c [2018-10-24 01:08:03,443 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0bfb625b0/6f225f1ee560435ca36f22b5fcc1421e/FLAGab1d863cd [2018-10-24 01:08:03,464 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0bfb625b0/6f225f1ee560435ca36f22b5fcc1421e [2018-10-24 01:08:03,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:08:03,481 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:08:03,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:08:03,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:08:03,490 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:08:03,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:08:03" (1/1) ... [2018-10-24 01:08:03,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fe9958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:03, skipping insertion in model container [2018-10-24 01:08:03,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:08:03" (1/1) ... [2018-10-24 01:08:03,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:08:03,605 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:08:04,331 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:08:04,336 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:08:04,565 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:08:04,586 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:08:04,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04 WrapperNode [2018-10-24 01:08:04,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:08:04,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:08:04,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:08:04,588 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:08:04,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (1/1) ... [2018-10-24 01:08:04,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (1/1) ... [2018-10-24 01:08:04,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:08:04,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:08:04,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:08:04,862 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:08:04,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (1/1) ... [2018-10-24 01:08:04,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (1/1) ... [2018-10-24 01:08:04,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (1/1) ... [2018-10-24 01:08:04,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (1/1) ... [2018-10-24 01:08:04,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (1/1) ... [2018-10-24 01:08:04,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (1/1) ... [2018-10-24 01:08:04,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (1/1) ... [2018-10-24 01:08:04,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:08:04,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:08:04,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:08:04,983 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:08:04,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (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 01:08:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:08:05,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:08:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:08:05,050 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:08:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:08:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:08:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:08:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:08:09,907 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:08:09,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:08:09 BoogieIcfgContainer [2018-10-24 01:08:09,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:08:09,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:08:09,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:08:09,913 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:08:09,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:08:03" (1/3) ... [2018-10-24 01:08:09,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c0dd0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:08:09, skipping insertion in model container [2018-10-24 01:08:09,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:08:04" (2/3) ... [2018-10-24 01:08:09,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c0dd0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:08:09, skipping insertion in model container [2018-10-24 01:08:09,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:08:09" (3/3) ... [2018-10-24 01:08:09,919 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label38_true-unreach-call.c [2018-10-24 01:08:09,930 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:08:09,940 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:08:09,960 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:08:10,001 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:08:10,002 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:08:10,002 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:08:10,002 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:08:10,002 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:08:10,004 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:08:10,005 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:08:10,005 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:08:10,055 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-24 01:08:10,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-24 01:08:10,072 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:08:10,073 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, 1, 1, 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 01:08:10,078 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:08:10,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:08:10,089 INFO L82 PathProgramCache]: Analyzing trace with hash 296004705, now seen corresponding path program 1 times [2018-10-24 01:08:10,092 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:08:10,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:10,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:08:10,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:10,155 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:08:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:08:10,727 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:08:10,839 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 01:08:10,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:08:10,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 01:08:10,842 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:08:10,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:08:10,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:08:10,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:08:10,868 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-10-24 01:08:13,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:08:13,183 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2018-10-24 01:08:13,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:08:13,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-10-24 01:08:13,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:08:13,208 INFO L225 Difference]: With dead ends: 782 [2018-10-24 01:08:13,208 INFO L226 Difference]: Without dead ends: 487 [2018-10-24 01:08:13,216 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:08:13,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-10-24 01:08:13,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 482. [2018-10-24 01:08:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-10-24 01:08:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 837 transitions. [2018-10-24 01:08:13,302 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 837 transitions. Word has length 67 [2018-10-24 01:08:13,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:08:13,302 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 837 transitions. [2018-10-24 01:08:13,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:08:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 837 transitions. [2018-10-24 01:08:13,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-24 01:08:13,311 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:08:13,312 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, 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] [2018-10-24 01:08:13,312 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:08:13,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:08:13,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1433084721, now seen corresponding path program 1 times [2018-10-24 01:08:13,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:08:13,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:13,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:08:13,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:13,315 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:08:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:08:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:08:13,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:08:13,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:08:13,671 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:08:13,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:08:13,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:08:13,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:08:13,674 INFO L87 Difference]: Start difference. First operand 482 states and 837 transitions. Second operand 6 states. [2018-10-24 01:08:19,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:08:19,075 INFO L93 Difference]: Finished difference Result 1804 states and 3389 transitions. [2018-10-24 01:08:19,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 01:08:19,076 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-10-24 01:08:19,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:08:19,092 INFO L225 Difference]: With dead ends: 1804 [2018-10-24 01:08:19,092 INFO L226 Difference]: Without dead ends: 1328 [2018-10-24 01:08:19,103 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 01:08:19,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2018-10-24 01:08:19,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 1286. [2018-10-24 01:08:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1286 states. [2018-10-24 01:08:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1955 transitions. [2018-10-24 01:08:19,187 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1955 transitions. Word has length 138 [2018-10-24 01:08:19,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:08:19,188 INFO L481 AbstractCegarLoop]: Abstraction has 1286 states and 1955 transitions. [2018-10-24 01:08:19,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:08:19,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1955 transitions. [2018-10-24 01:08:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-24 01:08:19,196 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:08:19,196 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, 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] [2018-10-24 01:08:19,196 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:08:19,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:08:19,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1675544195, now seen corresponding path program 1 times [2018-10-24 01:08:19,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:08:19,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:19,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:08:19,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:19,201 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:08:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:08:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:08:19,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:08:19,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:08:19,547 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:08:19,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:08:19,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:08:19,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:08:19,549 INFO L87 Difference]: Start difference. First operand 1286 states and 1955 transitions. Second operand 6 states. [2018-10-24 01:08:23,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:08:23,612 INFO L93 Difference]: Finished difference Result 4497 states and 7274 transitions. [2018-10-24 01:08:23,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:08:23,614 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-10-24 01:08:23,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:08:23,642 INFO L225 Difference]: With dead ends: 4497 [2018-10-24 01:08:23,642 INFO L226 Difference]: Without dead ends: 3217 [2018-10-24 01:08:23,661 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 01:08:23,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2018-10-24 01:08:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 3178. [2018-10-24 01:08:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3178 states. [2018-10-24 01:08:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4547 transitions. [2018-10-24 01:08:23,794 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4547 transitions. Word has length 148 [2018-10-24 01:08:23,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:08:23,795 INFO L481 AbstractCegarLoop]: Abstraction has 3178 states and 4547 transitions. [2018-10-24 01:08:23,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:08:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4547 transitions. [2018-10-24 01:08:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-24 01:08:23,806 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:08:23,806 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:08:23,807 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:08:23,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:08:23,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1977764724, now seen corresponding path program 1 times [2018-10-24 01:08:23,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:08:23,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:23,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:08:23,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:23,809 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:08:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:08:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:08:24,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:08:24,125 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:08:24,126 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-10-24 01:08:24,128 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [510], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 01:08:24,197 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:08:24,198 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:08:26,072 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:08:26,732 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:08:26,734 INFO L272 AbstractInterpreter]: Visited 79 different actions 79 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-10-24 01:08:26,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:08:26,780 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:08:29,605 INFO L232 lantSequenceWeakener]: Weakened 204 states. On average, predicates are now at 73.99% of their original sizes. [2018-10-24 01:08:29,605 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:08:30,101 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:08:30,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:08:30,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 01:08:30,103 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:08:30,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 01:08:30,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 01:08:30,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 01:08:30,104 INFO L87 Difference]: Start difference. First operand 3178 states and 4547 transitions. Second operand 7 states. [2018-10-24 01:08:53,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:08:53,219 INFO L93 Difference]: Finished difference Result 6542 states and 9305 transitions. [2018-10-24 01:08:53,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:08:53,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2018-10-24 01:08:53,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:08:53,240 INFO L225 Difference]: With dead ends: 6542 [2018-10-24 01:08:53,240 INFO L226 Difference]: Without dead ends: 3370 [2018-10-24 01:08:53,254 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:08:53,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2018-10-24 01:08:53,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 3368. [2018-10-24 01:08:53,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3368 states. [2018-10-24 01:08:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 4746 transitions. [2018-10-24 01:08:53,350 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 4746 transitions. Word has length 212 [2018-10-24 01:08:53,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:08:53,350 INFO L481 AbstractCegarLoop]: Abstraction has 3368 states and 4746 transitions. [2018-10-24 01:08:53,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 01:08:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 4746 transitions. [2018-10-24 01:08:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-24 01:08:53,358 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:08:53,359 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:08:53,359 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:08:53,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:08:53,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1735669, now seen corresponding path program 1 times [2018-10-24 01:08:53,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:08:53,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:53,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:08:53,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:53,361 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:08:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:08:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-24 01:08:53,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:08:53,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:08:53,834 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:08:53,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:08:53,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:08:53,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:08:53,835 INFO L87 Difference]: Start difference. First operand 3368 states and 4746 transitions. Second operand 4 states. [2018-10-24 01:08:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:08:58,370 INFO L93 Difference]: Finished difference Result 9942 states and 15455 transitions. [2018-10-24 01:08:58,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:08:58,373 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 265 [2018-10-24 01:08:58,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:08:58,416 INFO L225 Difference]: With dead ends: 9942 [2018-10-24 01:08:58,416 INFO L226 Difference]: Without dead ends: 6770 [2018-10-24 01:08:58,442 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 01:08:58,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6770 states. [2018-10-24 01:08:58,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6770 to 6759. [2018-10-24 01:08:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6759 states. [2018-10-24 01:08:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6759 states to 6759 states and 9952 transitions. [2018-10-24 01:08:58,638 INFO L78 Accepts]: Start accepts. Automaton has 6759 states and 9952 transitions. Word has length 265 [2018-10-24 01:08:58,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:08:58,639 INFO L481 AbstractCegarLoop]: Abstraction has 6759 states and 9952 transitions. [2018-10-24 01:08:58,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:08:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 6759 states and 9952 transitions. [2018-10-24 01:08:58,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-10-24 01:08:58,658 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:08:58,658 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:08:58,659 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:08:58,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:08:58,659 INFO L82 PathProgramCache]: Analyzing trace with hash 902442976, now seen corresponding path program 1 times [2018-10-24 01:08:58,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:08:58,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:58,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:08:58,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:58,661 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:08:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:08:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-24 01:08:59,570 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:08:59,570 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:08:59,571 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 297 with the following transitions: [2018-10-24 01:08:59,571 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [629], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 01:08:59,594 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:08:59,595 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:09:01,836 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:09:44,406 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 01:09:44,406 INFO L272 AbstractInterpreter]: Visited 136 different actions 797 times. Merged at 7 different actions 38 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 2 different actions. Largest state had 28 variables. [2018-10-24 01:09:44,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:09:44,417 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 01:09:44,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:09:44,417 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 01:09:44,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:09:44,427 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 01:09:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:09:44,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 01:09:49,313 WARN L179 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 478 DAG size of output: 22 [2018-10-24 01:09:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-24 01:09:49,644 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 01:09:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-24 01:09:50,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-24 01:09:50,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 10 [2018-10-24 01:09:50,218 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:09:50,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:09:50,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:09:50,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=59, Unknown=1, NotChecked=0, Total=90 [2018-10-24 01:09:50,220 INFO L87 Difference]: Start difference. First operand 6759 states and 9952 transitions. Second operand 3 states. [2018-10-24 01:09:53,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:09:53,048 INFO L93 Difference]: Finished difference Result 15261 states and 24454 transitions. [2018-10-24 01:09:53,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:09:53,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2018-10-24 01:09:53,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:09:53,111 INFO L225 Difference]: With dead ends: 15261 [2018-10-24 01:09:53,112 INFO L226 Difference]: Without dead ends: 8698 [2018-10-24 01:09:53,203 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 591 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=30, Invalid=59, Unknown=1, NotChecked=0, Total=90 [2018-10-24 01:09:53,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8698 states. [2018-10-24 01:09:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8698 to 8690. [2018-10-24 01:09:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8690 states. [2018-10-24 01:09:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8690 states to 8690 states and 12637 transitions. [2018-10-24 01:09:53,460 INFO L78 Accepts]: Start accepts. Automaton has 8690 states and 12637 transitions. Word has length 296 [2018-10-24 01:09:53,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:09:53,460 INFO L481 AbstractCegarLoop]: Abstraction has 8690 states and 12637 transitions. [2018-10-24 01:09:53,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:09:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 8690 states and 12637 transitions. [2018-10-24 01:09:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-10-24 01:09:53,511 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:09:53,511 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, 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, 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] [2018-10-24 01:09:53,511 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:09:53,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:09:53,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1528647053, now seen corresponding path program 1 times [2018-10-24 01:09:53,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:09:53,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:09:53,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:09:53,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:09:53,513 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:09:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:09:54,223 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-24 01:09:54,223 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:09:54,223 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:09:54,223 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 367 with the following transitions: [2018-10-24 01:09:54,226 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 01:09:54,236 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:09:54,237 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:09:55,627 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:10:10,791 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:10:10,791 INFO L272 AbstractInterpreter]: Visited 126 different actions 365 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-24 01:10:10,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:10:10,801 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:10:17,576 INFO L232 lantSequenceWeakener]: Weakened 228 states. On average, predicates are now at 74.11% of their original sizes. [2018-10-24 01:10:17,576 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:10:29,347 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:10:29,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:10:29,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [6] total 21 [2018-10-24 01:10:29,348 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:10:29,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-24 01:10:29,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-24 01:10:29,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-10-24 01:10:29,349 INFO L87 Difference]: Start difference. First operand 8690 states and 12637 transitions. Second operand 17 states. Received shutdown request... [2018-10-24 01:11:55,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-24 01:11:55,141 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:11:55,146 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:11:55,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:11:55 BoogieIcfgContainer [2018-10-24 01:11:55,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:11:55,147 INFO L168 Benchmark]: Toolchain (without parser) took 231669.49 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.6 GB in the end (delta: -2.2 GB). Peak memory consumption was 509.2 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:55,149 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-10-24 01:11:55,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1104.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:55,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 273.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:55,151 INFO L168 Benchmark]: Boogie Preprocessor took 120.88 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 01:11:55,151 INFO L168 Benchmark]: RCFGBuilder took 4925.79 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 196.1 MB). Peak memory consumption was 196.1 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:55,152 INFO L168 Benchmark]: TraceAbstraction took 225237.53 ms. Allocated memory was 2.3 GB in the beginning and 4.3 GB in the end (delta: 2.0 GB). Free memory was 2.0 GB in the beginning and 3.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 345.2 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:55,160 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 1104.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 273.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.88 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4925.79 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 196.1 MB). Peak memory consumption was 196.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 225237.53 ms. Allocated memory was 2.3 GB in the beginning and 4.3 GB in the end (delta: 2.0 GB). Free memory was 2.0 GB in the beginning and 3.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 345.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 186). Cancelled while BasicCegarLoop was constructing difference of abstraction (8690states) and FLOYD_HOARE automaton (currently 15 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (697 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 225.1s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 128.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1179 SDtfs, 4901 SDslu, 832 SDs, 0 SdLazy, 7034 SolverSat, 1541 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1214 GetRequests, 1158 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 21.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8690occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 64.0s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9961213073192243 AbsIntWeakeningRatio, 0.1076388888888889 AbsIntAvgWeakeningVarsNumRemoved, 567.203125 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 107 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 1788 NumberOfCodeBlocks, 1788 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2075 ConstructedInterpolants, 63 QuantifiedInterpolants, 2085234 SizeOfPredicates, 3 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 1364/1614 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown