java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label15_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 19:12:39,726 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 19:12:39,728 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 19:12:39,741 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 19:12:39,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 19:12:39,744 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 19:12:39,745 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 19:12:39,747 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 19:12:39,749 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 19:12:39,750 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 19:12:39,751 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 19:12:39,751 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 19:12:39,752 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 19:12:39,753 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 19:12:39,754 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 19:12:39,755 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 19:12:39,755 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 19:12:39,757 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 19:12:39,759 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 19:12:39,761 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 19:12:39,762 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 19:12:39,763 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 19:12:39,765 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 19:12:39,771 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 19:12:39,771 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 19:12:39,772 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 19:12:39,773 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 19:12:39,773 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 19:12:39,805 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 19:12:39,805 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 19:12:39,807 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 19:12:39,807 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 19:12:39,808 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 19:12:39,808 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 19:12:39,808 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 19:12:39,808 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 19:12:39,808 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 19:12:39,809 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 19:12:39,809 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 19:12:39,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 19:12:39,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 19:12:39,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 19:12:39,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 19:12:39,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 19:12:39,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 19:12:39,812 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 19:12:39,812 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 19:12:39,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 19:12:39,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 19:12:39,812 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 19:12:39,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 19:12:39,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:12:39,813 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 19:12:39,813 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 19:12:39,814 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 19:12:39,814 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 19:12:39,814 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 19:12:39,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 19:12:39,814 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 19:12:39,815 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 19:12:39,815 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 19:12:39,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 19:12:39,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 19:12:39,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 19:12:39,887 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 19:12:39,887 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 19:12:39,888 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label15_false-unreach-call.c [2018-07-23 19:12:40,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a02ab8577/645de00cfc404c0097c89a0d3af9c327/FLAGa495a8a8a [2018-07-23 19:12:40,523 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 19:12:40,525 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label15_false-unreach-call.c [2018-07-23 19:12:40,542 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a02ab8577/645de00cfc404c0097c89a0d3af9c327/FLAGa495a8a8a [2018-07-23 19:12:40,557 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a02ab8577/645de00cfc404c0097c89a0d3af9c327 [2018-07-23 19:12:40,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 19:12:40,570 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 19:12:40,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 19:12:40,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 19:12:40,577 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 19:12:40,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:12:40" (1/1) ... [2018-07-23 19:12:40,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3acb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:40, skipping insertion in model container [2018-07-23 19:12:40,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:12:40" (1/1) ... [2018-07-23 19:12:40,771 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 19:12:41,060 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:12:41,077 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 19:12:41,239 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:12:41,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41 WrapperNode [2018-07-23 19:12:41,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 19:12:41,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 19:12:41,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 19:12:41,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 19:12:41,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (1/1) ... [2018-07-23 19:12:41,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (1/1) ... [2018-07-23 19:12:41,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 19:12:41,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 19:12:41,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 19:12:41,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 19:12:41,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (1/1) ... [2018-07-23 19:12:41,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (1/1) ... [2018-07-23 19:12:41,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (1/1) ... [2018-07-23 19:12:41,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (1/1) ... [2018-07-23 19:12:41,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (1/1) ... [2018-07-23 19:12:41,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (1/1) ... [2018-07-23 19:12:41,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (1/1) ... [2018-07-23 19:12:41,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 19:12:41,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 19:12:41,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 19:12:41,732 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 19:12:41,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:12:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 19:12:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 19:12:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 19:12:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 19:12:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 19:12:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 19:12:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:12:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:12:45,193 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 19:12:45,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:12:45 BoogieIcfgContainer [2018-07-23 19:12:45,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 19:12:45,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 19:12:45,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 19:12:45,199 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 19:12:45,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 07:12:40" (1/3) ... [2018-07-23 19:12:45,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4920833c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:12:45, skipping insertion in model container [2018-07-23 19:12:45,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:12:41" (2/3) ... [2018-07-23 19:12:45,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4920833c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:12:45, skipping insertion in model container [2018-07-23 19:12:45,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:12:45" (3/3) ... [2018-07-23 19:12:45,203 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label15_false-unreach-call.c [2018-07-23 19:12:45,219 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 19:12:45,228 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 19:12:45,285 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 19:12:45,286 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 19:12:45,286 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 19:12:45,286 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 19:12:45,287 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 19:12:45,287 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 19:12:45,287 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 19:12:45,287 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 19:12:45,287 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 19:12:45,318 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-07-23 19:12:45,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-23 19:12:45,324 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:12:45,326 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:12:45,326 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:12:45,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1015350383, now seen corresponding path program 1 times [2018-07-23 19:12:45,334 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:12:45,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:12:45,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:12:45,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:12:45,381 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:12:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:12:45,752 WARN L169 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:12:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:12:45,866 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:12:45,866 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 19:12:45,867 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:12:45,873 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 19:12:45,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 19:12:45,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:12:45,896 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-07-23 19:12:47,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:12:47,643 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-07-23 19:12:47,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 19:12:47,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-07-23 19:12:47,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:12:47,668 INFO L225 Difference]: With dead ends: 574 [2018-07-23 19:12:47,668 INFO L226 Difference]: Without dead ends: 356 [2018-07-23 19:12:47,676 INFO L573 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 [2018-07-23 19:12:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-07-23 19:12:47,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-07-23 19:12:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-07-23 19:12:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 607 transitions. [2018-07-23 19:12:47,774 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 607 transitions. Word has length 17 [2018-07-23 19:12:47,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:12:47,775 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 607 transitions. [2018-07-23 19:12:47,775 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 19:12:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 607 transitions. [2018-07-23 19:12:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-07-23 19:12:47,786 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:12:47,786 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 19:12:47,787 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:12:47,788 INFO L82 PathProgramCache]: Analyzing trace with hash 555608716, now seen corresponding path program 1 times [2018-07-23 19:12:47,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:12:47,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:12:47,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:12:47,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:12:47,792 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:12:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:12:48,213 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-23 19:12:48,214 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:12:48,214 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:12:48,215 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 106 with the following transitions: [2018-07-23 19:12:48,218 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [61], [63], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [590], [816], [817], [818], [819], [821], [822] [2018-07-23 19:12:48,290 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:12:48,290 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:12:54,563 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:12:54,565 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-23 19:12:54,580 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:12:57,958 INFO L232 lantSequenceWeakener]: Weakened 100 states. On average, predicates are now at 72.68% of their original sizes. [2018-07-23 19:12:57,958 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:12:58,371 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:12:58,372 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:12:58,372 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2018-07-23 19:12:58,373 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:12:58,374 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 19:12:58,375 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 19:12:58,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 19:12:58,375 INFO L87 Difference]: Start difference. First operand 356 states and 607 transitions. Second operand 7 states. [2018-07-23 19:13:00,185 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:13:23,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:13:23,492 INFO L93 Difference]: Finished difference Result 852 states and 1471 transitions. [2018-07-23 19:13:23,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:13:23,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 105 [2018-07-23 19:13:23,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:13:23,504 INFO L225 Difference]: With dead ends: 852 [2018-07-23 19:13:23,504 INFO L226 Difference]: Without dead ends: 502 [2018-07-23 19:13:23,511 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 105 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-23 19:13:23,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-07-23 19:13:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 500. [2018-07-23 19:13:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-07-23 19:13:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 757 transitions. [2018-07-23 19:13:23,558 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 757 transitions. Word has length 105 [2018-07-23 19:13:23,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:13:23,559 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 757 transitions. [2018-07-23 19:13:23,559 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 19:13:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 757 transitions. [2018-07-23 19:13:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 19:13:23,567 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:13:23,567 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:13:23,567 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:13:23,568 INFO L82 PathProgramCache]: Analyzing trace with hash -802658266, now seen corresponding path program 1 times [2018-07-23 19:13:23,568 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:13:23,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:13:23,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:13:23,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:13:23,570 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:13:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:13:23,920 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:13:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-07-23 19:13:23,993 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:13:23,993 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:13:23,994 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-07-23 19:13:23,994 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [61], [63], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [590], [816], [817], [818], [819], [821], [822] [2018-07-23 19:13:23,999 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:13:24,000 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:13:25,376 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:13:37,967 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:13:37,968 INFO L272 AbstractInterpreter]: Visited 96 different actions 186 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 19:13:37,979 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:13:44,327 INFO L232 lantSequenceWeakener]: Weakened 174 states. On average, predicates are now at 72.81% of their original sizes. [2018-07-23 19:13:44,327 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:13:45,304 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:13:45,304 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:13:45,304 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-07-23 19:13:45,304 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:13:45,305 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 19:13:45,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 19:13:45,306 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-07-23 19:13:45,307 INFO L87 Difference]: Start difference. First operand 500 states and 757 transitions. Second operand 10 states. [2018-07-23 19:14:15,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:14:15,259 INFO L93 Difference]: Finished difference Result 999 states and 1625 transitions. [2018-07-23 19:14:15,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 19:14:15,259 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2018-07-23 19:14:15,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:14:15,264 INFO L225 Difference]: With dead ends: 999 [2018-07-23 19:14:15,264 INFO L226 Difference]: Without dead ends: 649 [2018-07-23 19:14:15,266 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 182 GetRequests, 162 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-07-23 19:14:15,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2018-07-23 19:14:15,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 646. [2018-07-23 19:14:15,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-07-23 19:14:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 915 transitions. [2018-07-23 19:14:15,295 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 915 transitions. Word has length 176 [2018-07-23 19:14:15,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:14:15,296 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 915 transitions. [2018-07-23 19:14:15,296 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 19:14:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 915 transitions. [2018-07-23 19:14:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-07-23 19:14:15,302 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:14:15,302 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:14:15,302 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:14:15,303 INFO L82 PathProgramCache]: Analyzing trace with hash -2096379145, now seen corresponding path program 1 times [2018-07-23 19:14:15,303 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:14:15,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:14:15,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:14:15,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:14:15,304 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:14:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:14:15,616 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:14:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-07-23 19:14:16,463 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:14:16,463 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:14:16,464 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-07-23 19:14:16,464 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [61], [63], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [590], [816], [817], [818], [819], [821], [822] [2018-07-23 19:14:16,468 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:14:16,468 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:14:25,549 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:14:25,549 INFO L272 AbstractInterpreter]: Visited 96 different actions 185 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 19:14:25,553 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:14:29,184 INFO L232 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 72.81% of their original sizes. [2018-07-23 19:14:29,184 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:14:29,924 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:14:29,924 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:14:29,924 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-07-23 19:14:29,925 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:14:29,925 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 19:14:29,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 19:14:29,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 19:14:29,926 INFO L87 Difference]: Start difference. First operand 646 states and 915 transitions. Second operand 11 states. [2018-07-23 19:14:33,892 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:15:05,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:15:05,302 INFO L93 Difference]: Finished difference Result 1290 states and 2047 transitions. [2018-07-23 19:15:05,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 19:15:05,303 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 185 [2018-07-23 19:15:05,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:15:05,313 INFO L225 Difference]: With dead ends: 1290 [2018-07-23 19:15:05,313 INFO L226 Difference]: Without dead ends: 940 [2018-07-23 19:15:05,315 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 170 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-07-23 19:15:05,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2018-07-23 19:15:05,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 937. [2018-07-23 19:15:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2018-07-23 19:15:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1222 transitions. [2018-07-23 19:15:05,361 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1222 transitions. Word has length 185 [2018-07-23 19:15:05,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:15:05,361 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1222 transitions. [2018-07-23 19:15:05,361 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 19:15:05,361 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1222 transitions. [2018-07-23 19:15:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-07-23 19:15:05,367 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:15:05,367 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:15:05,367 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:15:05,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1686653951, now seen corresponding path program 1 times [2018-07-23 19:15:05,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:15:05,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:15:05,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:15:05,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:15:05,369 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:15:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:15:05,648 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:15:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-07-23 19:15:05,923 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:15:05,923 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:15:05,923 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-07-23 19:15:05,924 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [61], [63], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [590], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [816], [817], [818], [819], [821], [822] [2018-07-23 19:15:05,935 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:15:05,936 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:15:10,650 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:15:24,675 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:15:24,676 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 19:15:24,680 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:15:32,159 INFO L232 lantSequenceWeakener]: Weakened 219 states. On average, predicates are now at 72.79% of their original sizes. [2018-07-23 19:15:32,159 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:15:33,191 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:15:33,191 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:15:33,192 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2018-07-23 19:15:33,192 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:15:33,193 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 19:15:33,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 19:15:33,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-07-23 19:15:33,194 INFO L87 Difference]: Start difference. First operand 937 states and 1222 transitions. Second operand 12 states. [2018-07-23 19:16:05,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:16:05,113 INFO L93 Difference]: Finished difference Result 1438 states and 2093 transitions. [2018-07-23 19:16:05,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 19:16:05,114 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 221 [2018-07-23 19:16:05,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:16:05,120 INFO L225 Difference]: With dead ends: 1438 [2018-07-23 19:16:05,121 INFO L226 Difference]: Without dead ends: 1088 [2018-07-23 19:16:05,123 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 205 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-07-23 19:16:05,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2018-07-23 19:16:05,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1083. [2018-07-23 19:16:05,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1083 states. [2018-07-23 19:16:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1381 transitions. [2018-07-23 19:16:05,168 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1381 transitions. Word has length 221 [2018-07-23 19:16:05,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:16:05,169 INFO L471 AbstractCegarLoop]: Abstraction has 1083 states and 1381 transitions. [2018-07-23 19:16:05,169 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 19:16:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1381 transitions. [2018-07-23 19:16:05,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 19:16:05,173 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:16:05,174 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:16:05,174 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:16:05,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1102875814, now seen corresponding path program 1 times [2018-07-23 19:16:05,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:16:05,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:16:05,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:16:05,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:16:05,176 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:16:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:16:05,484 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:16:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-07-23 19:16:05,815 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:16:05,815 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:16:05,815 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 241 with the following transitions: [2018-07-23 19:16:05,816 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [61], [63], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [590], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [778], [816], [817], [818], [819], [821], [822] [2018-07-23 19:16:05,820 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:16:05,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:16:21,565 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:16:40,582 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:16:40,582 INFO L272 AbstractInterpreter]: Visited 143 different actions 560 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-07-23 19:16:40,597 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:16:42,450 INFO L232 lantSequenceWeakener]: Weakened 238 states. On average, predicates are now at 72.79% of their original sizes. [2018-07-23 19:16:42,450 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:16:43,249 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:16:43,250 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:16:43,250 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [4] total 16 [2018-07-23 19:16:43,250 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:16:43,251 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 19:16:43,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 19:16:43,251 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-07-23 19:16:43,252 INFO L87 Difference]: Start difference. First operand 1083 states and 1381 transitions. Second operand 14 states. Received shutdown request... [2018-07-23 19:16:45,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:16:45,019 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 19:16:45,024 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 19:16:45,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 07:16:45 BoogieIcfgContainer [2018-07-23 19:16:45,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 19:16:45,025 INFO L168 Benchmark]: Toolchain (without parser) took 244456.70 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-07-23 19:16:45,027 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-07-23 19:16:45,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.30 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 19:16:45,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.76 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 19:16:45,029 INFO L168 Benchmark]: Boogie Preprocessor took 299.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 793.2 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -881.6 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2018-07-23 19:16:45,030 INFO L168 Benchmark]: RCFGBuilder took 3462.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 111.5 MB). Peak memory consumption was 111.5 MB. Max. memory is 7.1 GB. [2018-07-23 19:16:45,031 INFO L168 Benchmark]: TraceAbstraction took 239829.46 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -751.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-07-23 19:16:45,035 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.30 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 124.76 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 299.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 793.2 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -881.6 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3462.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 111.5 MB). Peak memory consumption was 111.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 239829.46 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -751.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 34). Cancelled while BasicCegarLoop was constructing difference of abstraction (1083states) and interpolant automaton (currently 7 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (44 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 239.7s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 125.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 942 SDtfs, 2770 SDslu, 1277 SDs, 0 SdLazy, 4073 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 61.7s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 955 GetRequests, 865 SyntacticMatches, 17 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1083occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 82.9s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9939737967241973 AbsIntWeakeningRatio, 0.13449023861171366 AbsIntAvgWeakeningVarsNumRemoved, 329.75162689804773 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 944 NumberOfCodeBlocks, 944 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 938 ConstructedInterpolants, 0 QuantifiedInterpolants, 586142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 369/417 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label15_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_19-16-45-050.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label15_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_19-16-45-050.csv Completed graceful shutdown